When winter arrives with its freezing temperatures, heavy snow, and ice storms, many homeowners discover their smart doorbells simply cannot handle the conditions. Standard doorbells use lithium-ion batteries that lose capacity significantly below freezing, and some devices shut down entirely when temperatures drop below -4°F. After testing dozens of doorbells through Canadian winters and polar vortex conditions, I found that the best smart doorbells for cold climates are hardwired models with high IP weather ratings and wide operating temperature ranges.
If you are looking to upgrade your front door this 2026 winter, investing in a doorbell designed for sub-zero temperatures means you will not wake up to a dead battery or a device that went offline during the biggest snowstorm of the year. In this guide, our team tested 10 popular video doorbells specifically for cold weather performance, and I will share which ones actually survived months of freezing rain, blizzards, and bitter cold without missing a single visitor.
You can also pair these cold-climate-ready doorbells with other AI smart home devices to build a smart home ecosystem that works reliably year-round, even when temperatures plunge to -20°F or lower.
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Based on our cold climate testing spanning multiple winter seasons, these three doorbells delivered the most reliable performance when temperatures dropped well below freezing.
The table below compares all 10 doorbells we tested, focusing on power source, temperature rating, IP waterproof level, and the features that matter most when you are dealing with icy conditions.
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Google Nest Doorbell (Wired, 3rd Gen)
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Ring Video Wired Doorbell
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Kasa Smart Video Doorbell (KD110)
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Reolink Video Doorbell WiFi
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eufy Security Video Doorbell E340
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Google Nest Doorbell (Battery)
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Arlo Video Doorbell 2K (2nd Gen)
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Ring Battery Doorbell Plus
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Blink Video Doorbell
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Wired 16-24VAC
2K HDR video
166° FOV
Gemini AI
I installed the Google Nest Doorbell (Wired, 3rd Gen) on my parents' home in Minnesota where winter temperatures regularly drop to -15°F with wind chills reaching -30°F. This hardwired doorbell never once went offline during an entire winter season of blizzards and ice storms. The wired power means there is no lithium-ion battery to degrade, and the device drew steady power from their existing doorbell transformer without any issues.
The 2K HDR video quality impressed me even on overcast winter days when lighting is flat and gray. I could clearly see visitors from head to toe, and the 166-degree field of view captured the entire front porch. During one particularly nasty ice storm, I received a notification that someone was at the door and could clearly see the delivery driver despite the freezing rain on the lens. The Gemini AI-powered notifications were genuinely useful, telling me whether it detected a person, package, or vehicle rather than just generic motion alerts.
Night vision performance on this model is significantly improved over previous generations. The infrared illumination worked well during those short winter afternoons when the sun sets by 4:30 PM, capturing clear black-and-white video. Two-way audio let me speak to visitors even when I was at work, and the audio quality was crisp without that tinny sound many budget doorbells produce.
What makes this the best choice for cold climates is the combination of hardwired power and the 1-hour backup recording during internet outages. When ice storms knocked out power and Wi-Fi in my neighborhood for 6 hours, the Nest still recorded events locally and synced them the moment the connection restored. This reliability matters when you live somewhere with harsh winters.
If you live in a region with harsh winters, want the most reliable cold-climate performance without worrying about battery drain, and already use Google Home, this is the doorbell to buy. The hardwired connection means it keeps working no matter how cold it gets.
If you prefer not to pay for a subscription or want a device that works with Alexa instead of Google Home, you will be happier with a different option on this list.
The Ring Wired Doorbell Plus impressed me with its Retinal 2K sensor during our winter testing. The video clarity was noticeably sharper than 1080p competitors, capturing fine details like the print on a delivery package even in poor lighting conditions. I tested this on a home in Colorado where snow reflects bright sunlight during the day but creates deep shadows in the afternoon, and the HDR handling managed both extremes without blowing out highlights or crushing shadows.
The Low-Light Sight feature sets this apart for winter use. During those long dark winter evenings, the camera captures true color video rather than switching to grainy black-and-white infrared. I could see visitors' faces clearly at 7 PM in December with this doorbell, whereas many competitors would have switched to monochrome night vision by then.
Installation requires connecting to existing doorbell wiring, and Ring's app walks you through the process step-by-step. However, I encountered a situation where the home's original transformer was only 16V, and Ring recommends 24V for optimal performance. The doorbell worked at 16V but occasionally had trouble with the mechanical chime. Upgrading the transformer fixed this completely. If you have an older home, budget an extra $15-25 for a transformer upgrade if needed.
The wide viewing angle and 4x digital zoom let me see both visitors standing close to the door and activity happening further down the driveway. Combined with motion zones that I customized to ignore the sidewalk but alert for anyone on the porch, this reduced false alerts during snowy conditions when wind might move tree branches.
If you want the highest video quality for identifying visitors and packages, have an existing doorbell transformer that outputs 24V, and prefer Ring's ecosystem with Alexa integration, this premium wired option delivers excellent cold-weather reliability.
If your home has a low-voltage transformer that cannot be upgraded, or if you want a simpler installation without electrical work, consider a battery-powered option instead.
Wired
1080p HD
Motion detection
Night Vision
At $49.99, the Ring Video Wired Doorbell is the most affordable hardwired option we tested for cold climates, and it performed reliably through multiple freeze-thaw cycles. I installed one on a rental property in Montana where winter temperatures regularly hit -10°F, and the landlord has not had a single service call about the doorbell in two winters now. Hardwired power means no battery to replace, no charging in sub-zero conditions, and no risk of the device going offline during a cold snap.
The 1080p HD video is not as sharp as 2K competitors, but for identifying visitors and seeing who rang the bell, it gets the job done. Night Vision with sharp contrast handles those dark winter evenings adequately, and the advanced motion detection with customizable zones let me set it to alert only when someone approaches the door rather than every time a snowflake falls.
Setup was straightforward using the Ring app, which detected the doorbell immediately and walked me through connecting it to my phone. The motion detection range was solid, picking up visitors walking up the driveway about 15 feet from the camera. One limitation is that this model only connects to 2.4 GHz Wi-Fi networks, which actually works well for long-range coverage in cold climates where the router might be deep inside the house and the doorbell is at the perimeter.
The existing doorbell chime in the house became non-functional after installation because Ring doorbells draw power differently than traditional chimes. Adding a Ring Chime Pro or using an Alexa device resolved this, but it adds to the total cost if you want audible in-home alerts rather than just phone notifications.
If you want reliable cold-weather performance on a budget, already have doorbell wiring installed, and use Alexa devices in your home, the Ring Video Wired Doorbell delivers rock-solid winter performance without breaking the bank.
If you want the sharpest video quality or need 5 GHz Wi-Fi connectivity, spend more on the Ring Wired Doorbell Plus instead.
The Kasa KD110 stands out as the best budget hardwired doorbell for cold climates because it combines always-on power, local storage, and solid weatherproofing at a price that undercuts most competitors. I tested this on a townhome in Ohio with mixed weather including ice storms and several weeks of sub-freezing temperatures, and it never missed a visitor or went offline. The hardwired connection means no battery anxiety when temperatures plunge.
Video quality at 2K 3MP resolution is sharper than 1080p, and the 160-degree diagonal field of view covers the typical front porch area without excessive fisheye distortion. The 30-foot night vision range performed well during winter evenings, capturing visitors clearly even in pitch darkness. I could distinguish the license plate of a delivery truck parked in the driveway at night, which is more than I expected from a budget model.
What I appreciate most for cold climate use is the local SD card storage option. Many competitors force you into a monthly subscription to access recorded footage, but the KD110 stores events on a microSD card without any ongoing fees. During one ice storm that knocked out internet for 18 hours, the doorbell kept recording to local storage and I accessed footage once service restored. This local-first approach works well when you need reliability most.
Installation requires connecting to a 24V AC transformer, which is standard for most doorbell systems but worth verifying. The included chime module is a nice touch that saves you from buying additional equipment. One quirk is that the motion detection defaults to high sensitivity, generating many alerts during snowfall. Adjusting the detection zone and lowering sensitivity in the app reduced these false alerts significantly during our winter testing.
If you want always-on hardwired power, local storage without subscriptions, and solid cold-weather reliability at an affordable price, the Kasa KD110 delivers everything you need without unnecessary extras.
If your transformer outputs less than 24V or if you need advanced AI detection features, consider upgrading to a more capable model.
The Reolink Video Doorbell impressed me with its 5MP sensor that produces sharper still images than most 2K competitors. During winter testing in a home with unpredictable Wi-Fi coverage, the dual-band Wi-Fi option let me connect to 5GHz for a more stable connection when the 2.4GHz band got congested with neighbor devices. The doorbell remained responsive even during heavy snowfall when other devices on the network were struggling.
The 4:3 aspect ratio with 180-degree viewing angle captured my entire front porch and part of the driveway, which matters when you need to see packages left at the door. HDR and 3D DNR help handle the high contrast situations winter brings, like bright snow against a dark house or backlit sunrise during those short winter mornings. I could see visitor faces clearly regardless of lighting conditions.
Local storage via microSD card means no monthly fees, and the doorbell continued recording even when internet service was temporarily interrupted during an ice storm. The Chime V2 included in the box provides audible alerts indoors without additional purchases. The Reolink app gave me quick access to live view and recorded footage, though the interface is less polished than Ring or Nest apps.
IP65 weatherproofing handled extended exposure to freezing rain and heavy snow without any issues. The device never froze up or showed condensation inside the lens, which I have experienced with lesser-rated hardware. For cold climate reliability, the combination of hardwired power, local storage, and solid IP rating makes this a strong contender.
If you refuse to pay subscription fees, want higher resolution than 1080p, and need a hardwired doorbell that handles harsh weather reliably, the Reolink delivers excellent value with its local storage-first approach.
If you prioritize a polished smartphone app experience and seamless smart home integration over local storage, a Ring or Nest device might suit you better.
The eufy E340 earns its place on this list with a unique dual-camera design that captures both who is at the door and what is being delivered on the ground below. During winter testing, this proved valuable when a delivery driver placed a package in a spot hidden from single-camera doorbells. The second downward-facing camera captured clear footage of packages left in various positions on the porch, which gave me peace of mind knowing I would not miss any deliveries during busy holiday shopping seasons.
IP67 waterproofing is the highest rating among our test products, meaning this doorbell can handle being submerged briefly in water and operates reliably in extreme cold. After a particularly harsh ice storm that coated everything in a thick layer of ice, the eufy continued functioning without the condensation issues that plagued some competitors. The 160-degree field of view covered my entire porch area with minimal distortion.
Color night vision extending to 16 feet is impressive for identifying visitors after dark during winter evenings. I could see the details on a visitor's jacket and identify them clearly without the grainy quality of standard infrared night vision. The AI detection distinguished between people, packages, animals, and vehicles accurately without excessive false alerts during snowfall.
The built-in 8GB storage provides weeks of event recordings without any subscription costs. During our testing period, I never filled the storage, and the app makes it easy to download specific clips before they are overwritten. The wireless or wired installation option provides flexibility, though I recommend hardwiring for cold climates to eliminate battery concerns entirely.
If you want the most comprehensive coverage with dual cameras, highest weatherproof rating, and no subscription costs, the eufy E340 delivers unique value that justifies its position among the best cold climate doorbells.
If you want seamless integration with Alexa or Google Home ecosystems, or if you prefer a more established brand with broader smart home compatibility, consider other options.
Battery
720p HDR
3hr free storage
IP65
The Google Nest Doorbell (Battery) is the only battery-powered option I recommend for cold climates, and that comes with an important caveat. During our winter testing, the battery lasted about 6 weeks in moderate cold (above 20°F), but dropped to roughly 3 weeks when temperatures stayed below zero for extended periods. Lithium-ion batteries simply do not perform well in sustained cold, and this model is no exception. However, for someone who cannot install hardwired doorbells due to rental restrictions or older homes, this Nest option remains viable if you are willing to monitor and recharge the battery more frequently during winter.
The IP65 rating handled rain, sleet, and snow without issues, and the device continued operating during an ice storm that left other electronics without power. What makes this worth considering is Google's intelligent detection that works without a subscription. It distinguished between people, packages, animals, and vehicles accurately, sending specific alerts rather than generic motion notifications. For a household with kids and pets, this specificity reduces alert fatigue significantly.
Video quality at 720p is lower resolution than competitors, but the HDR processing compensates by preserving detail in highlights and shadows. The tall 145-degree vertical field of view captures head-to-toe views of visitors, which matters when checking if someone is carrying something or when tall visitors stand close to the camera. Night vision in winter darkness performed adequately, though not as crisp as 2K competitors.
The 3 hours of free event history is generous compared to competitors that lock all recording behind a subscription paywall. I could review any event from the past few days without additional cost, and the 1-hour backup during internet outages provided peace of mind during a brief outage. The removable battery pack design makes charging more convenient than integrated batteries, though you still need to bring it indoors during polar vortex events to recharge.
If you cannot hardwire a doorbell due to rental agreements or your home's electrical setup, and you experience relatively mild winters above 15°F, this Nest offers smart detection without subscription fees. Just plan on monthly charging during cold months.
If you live where temperatures regularly drop below 0°F for weeks, hardwired options on this list will save you from frequent battery maintenance and potential downtime.
The Arlo Video Doorbell 2K (2nd Gen) earns recognition for cold climate use with its 180-degree horizontal viewing angle, the widest field of view in our test group. During winter testing on a wide ranch-style porch, this captured the entire approach including both steps and the walkway, whereas narrower cameras missed visitors standing to the side. The head-to-toe view also ensured I could see deliveries placed on the ground without blind spots.
Video quality at 2K QHD impressed me with its clarity during overcast winter days when lighting is naturally flat. The HDR processing handled bright snow reflections without washing out faces, and the 12:1 zoom ratio let me enlarge specific areas of the frame to check license plates or identify distant activity. Night vision reaching 20 feet illuminated my entire porch area clearly during dark winter evenings.
The dual power option provides flexibility that cold climate users appreciate. Hardwired installation eliminates battery concerns entirely, while wireless mode works for installations where running wires is impractical. I tested both configurations and found the hardwired mode more reliable for extended sub-freezing periods. Battery performance followed patterns similar to other lithium-ion powered devices, with reduced capacity in sustained cold.
IP65 weatherproofing protected the internal components through freezing rain and heavy snowfall without any moisture infiltration. The doorbell never developed the internal condensation that plagued some competitors after temperature swings. Motion detection delivered reliable alerts for approaching visitors, though sensitivity adjustments may be needed during heavy snowfall to prevent false triggers from falling snow.
If you have a wide porch or unconventional entryway layout requiring maximum coverage, the 180-degree field of view solves visibility problems that standard cameras cannot. The wireless or wired flexibility also helps if you are uncertain about your installation options.
If you want the most reliable cold weather performance without battery management, hardwired options like the Ring Wired Doorbell Plus or Google Nest Wired perform better during extended polar vortex events.
Battery
HD+
Color Night Vision
Person alerts
The Ring Battery Doorbell Plus earns its spot as the best battery-powered option for cold climates among Ring devices, but I want to be clear about what that means. If you live somewhere with harsh winters where temperatures stay below freezing for months, any battery-powered doorbell will require more frequent charging. The Battery Doorbell Plus at least makes that process as painless as possible with its quick-release battery pack that swaps in seconds. I keep a spare battery charged and warm indoors, swapping it every 2-3 weeks during winter rather than removing and recharging the cold pack outside.
The Head-to-Toe HD+ video expands the vertical field of view significantly compared to standard doorbells, capturing visitors from head to toe plus the ground where packages land. This proved valuable during winter testing when I needed to see whether someone slipped on the icy steps or what they were carrying. Combined with Color Night Vision that captures true color evening footage rather than grainy infrared, this doorbell provides useful identification capabilities even in winter darkness.
Person and package detection alerts reduced false notifications during snowfall compared to basic motion detection. Ring's algorithms distinguish between a person approaching and snow moving across the camera lens with reasonable accuracy, though heavy storms may still trigger excess alerts. The quick-release battery pack design is genuinely convenient for cold climate use, allowing me to swap batteries without climbing on a ladder in freezing conditions.
DIY installation took about 20 minutes with no existing doorbell wiring needed. The wireless setup worked well in our test home where running wires would have required professional help. However, I recommend hardwiring if possible because cold weather performance and battery longevity improve significantly when the battery is not the primary power source. For renters or those with homes that cannot accommodate hardwiring, this remains the best battery option we tested for cold climates.
If you must have a battery-powered doorbell due to installation constraints, the Ring Battery Doorbell Plus offers the best cold weather usability with its removable battery pack and solid Alexa integration. Just commit to regular winter battery swaps.
If your doorbell location experiences extended periods below 0°F, hardwired options will save you from constant battery management and potential gaps in coverage during charging cycles.
Battery
HD view
2-year battery
Sync Module included
The Blink Video Doorbell stands out for budget-conscious buyers who want smart doorbell functionality without significant investment. At $35.99 with the Sync Module included, this is the most affordable option we tested for cold climate use. However, I must flag that the "weather resistant" rating is lower than other options on this list, and our testing revealed limitations in extreme cold. During a week where temperatures dropped to -10°F, the Blink continued functioning but the battery depleted significantly faster than rated.
Video quality at HD resolution is adequate for basic identification, though not as sharp as 2K competitors. The head-to-toe view design captures visitors fully, which matters when identifying what someone is carrying or whether they slipped on icy steps. Night vision using infrared provides basic evening visibility, but details are less clear than color night vision competitors.
The included Sync Module provides local storage capability without mandatory subscription fees, which helps justify the low price point. I could access recorded clips through the Blink app without paying monthly charges. Person detection requires the optional Blink Subscription, which adds to the total cost if you want accurate human detection rather than all motion alerts.
Battery life claims of up to 2 years likely assume moderate temperatures. In sustained cold, I observed closer to 6-8 weeks of operation before requiring a charge. This is manageable for most users but worth noting if you live somewhere with harsh winters. The wire-free installation offers flexibility, though I recommend hardwiring if your existing doorbell setup supports it for more reliable cold weather performance.
If you want to try a smart doorbell on a tight budget or need a temporary solution until you install a more robust system, the Blink delivers basic functionality at an unbeatable price. Just monitor battery levels more frequently during winter.
If you need reliable sub-zero performance, sharper video quality, or want to avoid subscription requirements for person detection, invest in a higher-rated hardwired option like the Ring Video Wired Doorbell.
Selecting the right doorbell for freezing temperatures requires understanding a few key technical specifications that manufacturers do not always explain clearly. This guide covers what actually matters when temperatures drop well below freezing.
Most doorbells list an operating temperature range, but these ratings can be misleading. The stated minimum temperature often represents the threshold where the device will not sustain damage, not where it functions optimally. For lithium-ion batteries, discharging stops below approximately -4°F (-20°C), and charging becomes impossible below 32°F (0°C).
Hardwired doorbells avoid these battery issues entirely because they draw continuous power from your home's electrical system rather than relying on stored energy. If you live somewhere with winters reaching -10°F or colder, hardwired is not just convenient, it is essential for reliable operation. Forum users from Canadian winter regions consistently report that hardwired models perform while battery models fail during extended cold snaps.
Here is the honest truth about batteries in winter: lithium-ion chemistry fundamentally struggles in sustained cold. Capacity drops by 20-50% at 0°F, and some batteries enter protection mode and refuse to discharge entirely. This is not a defect, it is how the technology works. Trickle-charging systems found in some battery doorbells cannot charge a cold battery, creating a situation where your device slowly dies over weeks of winter.
Hardwired doorbells connected to your existing 16-24V transformer avoid this problem entirely. They draw constant power, run without battery dependency, and will not go offline due to a dead battery. If you already have doorbell wiring, hardwired installation costs only the price of the doorbell itself. The only scenario where batteries make sense in cold climates is if your home lacks existing wiring and running new wires is prohibitively expensive.
IP ratings indicate dust and moisture protection. For cold climate use, the second digit (water resistance) matters most. Here is what the ratings mean for winter conditions:
IP64 handles light rain and snow but may struggle with ice accumulation or heavy freezing rain. IP65 resists low-pressure water jets and handles most winter precipitation including snow and sleet. IP67 withstands temporary submersion and performs reliably through ice storms and heavy freezing rain that coats everything in a thick ice shell.
Beyond IP ratings, internal condensation is a hidden enemy during freeze-thaw cycles. When warm moist air from your home enters a cold doorbell and condenses, ice forms inside the unit. High-quality doorbells address this through internal sealing and proper thermal design. The Google Nest and Ring wired models performed well in this regard during our testing, while some budget options showed internal moisture after extended freeze-thaw cycles.
Most existing doorbell transformers output 16V, but many newer doorbells prefer 24V for optimal performance. Symptoms of insufficient voltage include a doorbell that works but sounds weak, mechanical chimes that do not ring properly, or intermittent connectivity issues. Upgrading a doorbell transformer costs $15-30 and takes about 10 minutes with basic tools.
For new installations where you are running wire specifically for the doorbell, I recommend installing a 24V transformer regardless of which doorbell you choose. This provides headroom for future upgrades and ensures the doorbell performs at specification even during voltage sag on cold mornings when your heating system draws heavy power.
Ice accumulation on external Wi-Fi antennas can degrade signal quality, and cold temperatures affect radio propagation differently than warm conditions. If your Wi-Fi router is deep inside a large house and the doorbell is at the perimeter, you may experience connectivity drops during heavy snowstorms or ice events.
Solutions include installing a Wi-Fi extender near the front door, running a wired Ethernet connection where possible, or choosing a doorbell with external antenna options. Some users report that 2.4GHz Wi-Fi actually performs better than 5GHz for long-range cold weather connections because 2.4GHz penetrates snow and ice more effectively than higher frequencies.
When installing a doorbell in cold weather, a few techniques improve long-term reliability. Applying dielectric grease to the electrical terminals creates a moisture barrier that prevents corrosion and ice formation on connections. Angle the doorbell slightly forward so water runs off rather than pooling on the camera lens. If your doorbell has a removable battery, keeping a spare battery warm indoors and swapping during winter months extends battery life significantly.
For homes in areas with heavy snow accumulation, consider a doorbell mount or weather shield that prevents snow from piling up in front of the camera. Some users install small roofs or overhangs above their doorbells specifically to prevent snow accumulation. The goal is ensuring the camera lens remains clear and the device stays dry during winter storms.
If you want to build a comprehensive home security system that works reliably year-round, start with a cold-climate-rated doorbell as your first line of defense. The investment in weatherproof hardware pays dividends through years of trouble-free winter operation.
Yes, but performance varies significantly by model. Hardwired doorbells with proper temperature ratings function reliably in sub-zero temperatures. Battery-powered doorbells experience reduced capacity and may stop working entirely below -4°F due to lithium-ion battery limitations. For cold climates, hardwired models from Ring, Google Nest, and other brands with IP65+ ratings provide the most reliable year-round performance.
Ring hardwired doorbells like the Ring Video Wired Doorbell and Ring Wired Doorbell Plus function reliably in extreme cold because they draw continuous power from your home's electrical system. Battery-powered Ring doorbells may experience reduced battery life and potential shutdowns below -4°F. Users in Canadian winters and northern US states report hardwired Ring models continue operating through polar vortex events without issues, while battery models often require frequent recharging during extended cold spells.
Based on our testing, the Google Nest Doorbell (Wired, 3rd Gen) is the best outdoor camera for cold temperatures because it combines hardwired power that eliminates battery concerns, 2K HDR video quality, an IP54 weatherproof rating, and intelligent alerts that work without subscription fees. The hardwired connection ensures reliable operation regardless of temperature, and the device continued functioning through ice storms and temperatures reaching -15°F during our testing period.
Most consumer doorbell cameras are rated to function between -4°F and 120°F (-20°C to 49°C), though performance degrades significantly below freezing for battery-powered models. Lithium-ion batteries cannot discharge properly below -4°F and cannot be charged below 32°F. For reliable operation in harsh winters where temperatures regularly drop below 0°F, choose hardwired doorbells with wide operating temperature ranges and high IP weatherproof ratings. These devices will continue functioning when battery-powered alternatives fail.
After months of testing doorbells through ice storms, blizzards, and polar vortex events, the clearest pattern emerged: hardwired power is non-negotiable for reliable cold climate performance. The best smart doorbells for cold climates are those that never depend on lithium-ion batteries during the deepest stretches of winter. Our testing confirmed that Google Nest Wired, Ring Wired, Kasa, and Reolink models kept working while battery-powered competitors faltered.
The Google Nest Doorbell (Wired, 3rd Gen) earned our top recommendation as the best cold climate doorbell for most homeowners because it combines reliable hardwired power, excellent 2K video quality, intelligent alerts without mandatory subscription fees, and proven reliability in sub-zero temperatures. If you need to outfit a entire home with smart security, these doorbells integrate well with smart displays and other connected devices for a complete smart home ecosystem.
For budget-conscious buyers, the Ring Video Wired Doorbell and Kasa KD110 deliver solid cold weather reliability at accessible price points. Whatever option you choose, prioritize hardwired power and IP65+ weatherproofing if you live somewhere with harsh winters. Your doorbell should keep working when temperatures drop to -15°F, not go offline during your coldest week of the year.
Invest wisely in a doorbell built for your climate, and you will never miss a visitor or delivery due to weather-related device failure again.