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Choosing a eufy fingerprint door lock depends on how your household moves through its entryways each day. Between kids arriving home from school, package drop-offs, and visiting family, keyless entry must be rapid, dependable, and intuitive. Biometric recognition eliminates fumbling with keys or forgotten codes by turning a single touch into immediate entry. Yet distinct doors have different requirements. A primary front entrance facing outdoor weather demands a robust physical deadbolt and broad connectivity, whereas an interior garage entry or home office calls for fast lever-handle operation. Combining biometric deadbolts with live video monitoring also allows families to evaluate arrivals before unlocking.
The eufy lineup is organized into distinct hardware categories to address these household scenarios. Across the catalog, you will find standalone deadbolts for primary exterior doors, an integrated handle-and-latch unit for interior rooms or garage entries, and video deadbolts that merge biometric scanning with 2K camera surveillance. Each eufy fingerprint smart lock features self-learning biometric technology that refines scan accuracy over time, alongside built-in Wi-Fi for remote control without extra bridges. To help you decide which eufy smart lock to buy, this eufy smart lock comparison reviews five core models. Exploring the broader range of eufy door lock options clarifies where each model excels.
eufy Fingerprint Smart Locks Lineup at a Glance
| Model | Lock Type and Door Use | Power Source and Battery Life | Primary Features and Ecosystems |
|---|---|---|---|
| eufy Security Smart Lock C220 | Deadbolt for front and exterior doors | 8 AA batteries, around 8 months | Under 1s fingerprint scan, 6 unlock methods, built-in Wi-Fi, Alexa, Google |
| eufy Security Smart Lock FamiLock C32 | Lever handle lock for interior and garage doors | 4 AA batteries, over 5 months, USB-C backup | 0.3s 360-degree fingerprint array, self-learning AI, built-in Wi-Fi, Alexa, Google |
| eufy Security Video Smart Lock E330 | 2K video deadbolt for front and exterior entries | 10,000mAh rechargeable lithium battery | 2K HD camera, f/1.6 lens, IP65 weatherproofing, Alexa, Google |
| eufy Security Smart Lock Familock E32 | Deadbolt for front doors and single-cylinder cutouts | 8 AA batteries, up to 8 months | Apple Home, Google Home, Alexa, SmartThings, built-in Wi-Fi |
| eufy Security Video Smart Lock S330 | 3-in-1 video deadbolt with indoor chime included | 10,000mAh rechargeable lithium battery | 2K HD camera, video doorbell, wireless chime in box, 5 unlock methods, Alexa, Google |
The Models in Detail
eufy Security Smart Lock C220 With 8 AA batteries, this smart lock runs for up to 8 months
Check price on Amazon Our score: 9.8/10

Best for: Smart home enthusiasts using Apple Home
Pros
- Works with Apple Home and SmartThings
- Up to eight months battery life
- Self-learning biometric sensor
Cons
- Incompatible with mortise lock cutouts

Best for: Interior rooms and garage access doors
Pros
- Rapid 0.3-second 360-degree scanner
- Integrated lever handle design
- Emergency USB-C power port
Cons
- Not recommended for exterior front doors

Best for: Busy family front doors needing versatile entry
Pros
- Six versatile unlocking methods
- Eight-month battery on AA cells
- Integrated Wi-Fi without bridge
Cons
- IP53 rating limits harsh rain exposure
The eufy Security Smart Lock C220 is an exterior deadbolt engineered for busy front doors, apartment entrances, and office entries. The listing specifies six ways to unlock: a fingerprint scanner opening in under one second, the eufy Security app, a keypad, physical keys, an Apple Watch app, and voice control via Alexa or Google Assistant. Eight included AA batteries provide around eight months of power. An onboard self-learning AI algorithm refines biometric precision with every touch, reducing read errors as family members press the sensor over time.
Built-in Wi-Fi provides remote control, access monitoring, and routine pairing with eufy doorbells via the eufy Security app without an external bridge. For durability, the C220 holds a BHMA Grade 3 certification tested over 100,000 cycles, an alarm triggered by unusual entry attempts, an IP53 water-resistance rating, and operating limits from -22 degrees Fahrenheit to 158 degrees Fahrenheit (-30 to 70 degrees Celsius).
This eufy smart lock c220 suits households wanting a dependable front deadbolt with broad entry options. Installation takes 15 minutes without drilling, fitting bores under 54 millimeters via a removable spacer. It gives way to the FamiLock C32 for interior doors requiring handles, and to the Familock E32 for Apple HomeKit setups.
eufy Security Smart Lock FamiLock C32 Features a large-area fingerprint array to unlock in just 0.3 seconds
Check price on Amazon Our score: 8.2/10
The eufy Security Smart Lock FamiLock C32 pairs keyless biometric entry with an integrated door lever handle. The listing specifies a large-area fingerprint array that unlocks in 0.3 seconds. Utilizing 360-degree recognition powered by self-learning AI, the scanner adapts to diverse angles and finger sizes, providing smooth access for children and seniors. An integrated 2.4 GHz Wi-Fi module enables remote authorization and real-time management via the eufy app without a separate bridge.
Four included AA batteries deliver over five months of power. If the batteries deplete, an emergency USB-C backup port lets users attach a portable power bank to unlock via fingerprint or PIN immediately. The lock also integrates with Alexa and Google Assistant for hands-free voice routines. Universal sizing allows installation on standard interior doors in 15 minutes using only a screwdriver.
This eufy familock c32 is designed for interior privacy, including bedrooms, offices, storage rooms, and attached garage entries. The listing states: “Note: Not recommended for front doors.” Consequently, this handle lock gives way to exterior deadbolts like the C220 or E32 whenever perimeter security or outdoor weatherproofing is required.
eufy Security Video Smart Lock E330 Smarter Front-Door Security with Video and Keyless Access
Check price on Amazon Our score: 9.2/10
Best for: All-in-one front door security with chime
Pros
- Complete 3-in-1 camera and doorbell lock
- Dedicated wireless chime included
- High-capacity 10,000mAh battery
Cons
- Requires removing battery pack to recharge

Best for: Front doors requiring integrated camera monitoring
Pros
- 2K HD camera with f/1.6 lens
- Large 10,000mAh rechargeable battery
- Rugged IP65 weather resistance
Cons
- Chime and HomeBase sold separately
The eufy Security Video Smart Lock E330 integrates front-door deadbolt security with a 2K HD video camera. The listing highlights an optical system featuring a 2K sensor and an f/1.6 lens for clear visitor identification after dark. Biometric recognition unlocks in seconds, alongside the eufy Security app, keypad codes, two physical keys, and Alexa or Google voice control. Real-time push notifications include temporary cloud-stored thumbnail previews to provide immediate visitor awareness.
A large 10,000mAh rechargeable battery powers motorized deadbolt cycles and continuous video monitoring. The E330 holds a BHMA Grade 3 certification, an IP65 weather-resistance rating, and installs in 15 minutes without drilling on standard US deadbolt setups. Integrating the lock with an existing eufy doorbell cam setup creates unified front-porch monitoring, though accessories like eufy Chime and HomeBase 3 are sold separately.
This eufy video smart lock e330 suits homeowners seeking video surveillance and biometric entry at the front door without installing separate camera hardware. It yields to the Video Smart Lock S330 if you need an included indoor chime, and to the C220 if you prefer standard AA batteries.
eufy Security Smart Lock Familock E32 With 8 AA batteries, Smart Lock C220 runs around 8 months
Check price on Amazon Our score: 9.2/10
The eufy Security Smart Lock Familock E32 centers on wide smart home platform compatibility while maintaining exterior deadbolt security. The listing emphasizes seamless integration with Apple Home, Google Home, Amazon Alexa, and Samsung SmartThings. This platform support lets homeowners build automated morning routines, geofenced rules, and multi-brand smart scenes. Biometric access relies on a self-learning AI fingerprint reader that improves precision with every touch.
Built-in Wi-Fi connects directly to your network without an external bridge, enabling event log tracking, access code configuration, and real-time mobile notifications. Powered by eight AA batteries, the E32 delivers up to eight months of operation. The deadbolt carries an IP53 water-resistance rating and operates in temperatures from -22 degrees Fahrenheit to 158 degrees Fahrenheit (-30 to 70 degrees Celsius).
This eufy familock e32 suits smart home enthusiasts invested in Apple Home or SmartThings who want a dedicated front deadbolt. DIY installation requires no drilling on standard US and Canadian single-cylinder deadbolts, though it is incompatible with round faceplates or mortise locks. It yields to the E330 or S330 for video surveillance.
eufy Security Video Smart Lock S330 Advanced 3-in-1 Triple Security—Video Smart Lock S330 integrates rapid
Check price on Amazon Our score: 9.4/10
The eufy Security Video Smart Lock S330 offers an all-in-one entrance solution via a 3-in-1 triple security design, combining rapid fingerprint recognition, a 2K HD video camera, and a video doorbell into one deadbolt. The listing outlines five entry options: rapid fingerprint unlocking, the eufy Security app, keypad codes, physical keys, and Alexa or Google Voice Assistant. Unlike models requiring separate audio accessories, the S330 includes a wireless indoor chime in the box.
A 10,000mAh rechargeable battery delivers sustained power for the 2K camera, video doorbell communications, and motorized locking mechanism. Direct Wi-Fi connectivity supports real-time mobile notifications, live camera streaming, and remote control without bridge hardware. The deadbolt installs into standard door preparations, replacing multiple standalone devices with one unified front-door unit.
This eufy video smart lock s330 is ideal for homeowners who want an integrated doorbell, camera, and biometric deadbolt with an indoor chime supplied out of the box. It simplifies entryway aesthetics by eliminating a separate wall-mounted doorbell. However, it gives way to the C220 or E32 if you already own a doorbell camera or prefer standard replaceable AA batteries.
Matching a Model to Your Setup
- High-traffic front door needing reliable deadbolt security: Choose the eufy Security Smart Lock C220 for its BHMA Grade 3 build, eight-month AA battery life, tamper alarm, and six unlocking methods including Apple Watch.
- Interior home office, bedroom, or garage passage door: Select the eufy Security Smart Lock FamiLock C32 to benefit from an integrated lever handle, 0.3-second 360-degree recognition, and an emergency USB-C port.
- Front entrance requiring visual monitoring without extra hardware: Opt for the eufy Security Video Smart Lock E330, featuring a 2K HD f/1.6 camera, IP65 weather resistance, and a 10,000mAh rechargeable battery.
- Smart home setups built around Apple Home or SmartThings: Pick the eufy Security Smart Lock Familock E32 for native cross-platform compatibility, eight-month AA battery life, and self-learning biometric scanning.
- Complete porch overhaul seeking an all-in-one deadbolt with chime: Choose the eufy Security Video Smart Lock S330 for a 3-in-1 camera, doorbell, and deadbolt setup with an indoor chime unit included.
Before You Buy
Before purchasing any eufy keyless entry lock, verify the physical dimensions and structural requirements of your door. The manufacturer listings clearly differentiate between exterior deadbolts and interior handle locks. The FamiLock C32 is built strictly for interior rooms and garage entries, with the listing explicitly noting that it is not recommended for exterior front doors. In contrast, deadbolt models like the C220, E32, E330, and S330 require standard single-cylinder cutouts and will not fit mortise mechanisms, interconnected commercial locks, or non-standard round faceplates. While the C220 fits boreholes under 54 millimeters by removing an included spacer, the listings do not specify compatibility with non-standard door thicknesses, making it essential to measure your door prior to installation.
Power supply logistics and environmental ratings also differ across the range. Models utilizing AA batteries, like the C220 and E32, provide around eight months of operation, though cold weather and usage frequency affect replacement timing. The video-equipped E330 and S330 run on a 10,000mAh rechargeable battery pack; however, the listings do not specify the exact recharge duration or whether a spare pack is included. Weatherproofing also varies: the E330 holds an IP65 rating, the C220 and E32 feature an IP53 water-resistance level, and the interior C32 lists no outdoor weather protection. Additionally, while the S330 includes an indoor chime, the E330 listing notes that chimes and HomeBase units are sold separately.
FAQ
How does the self-learning biometric scanner work on a eufy fingerprint door lock?
The biometric scanner uses an artificial intelligence algorithm that analyzes fingerprint ridge details each time you touch the sensor. Over regular use, the algorithm updates its profile to account for variations in finger angle and skin contact. This self-learning process improves recognition accuracy over time, helping family members unlock quickly on the first attempt.
Can eufy smart locks connect to home Wi-Fi without a separate bridge?
Yes, all five locks in this guide feature built-in Wi-Fi connecting directly to a standard 2.4 GHz network. Because the Wi-Fi module is integrated into the lock, you do not need an external plug-in bridge to check status, adjust codes, or control the deadbolt remotely through the eufy Security app.
Which eufy smart lock to buy for Apple Home integration?
The eufy Security Smart Lock Familock E32 is the model to choose for Apple Home. Its listing confirms native integration across Apple Home, Google Home, Alexa, and SmartThings. Other models in the lineup support Alexa and Google Assistant, but do not list native Apple Home ecosystem support.
Can the eufy Security Smart Lock FamiLock C32 be used on an exterior front door?
No, the listing explicitly notes that the FamiLock C32 is not recommended for front doors. It is designed as an interior lever-handle lock for bedrooms, offices, garage entries, and storage rooms. For exterior front doors facing outdoor weather, choose deadbolts like the C220, E32, E330, or S330.
What happens when the battery runs out on a eufy keyless entry lock?
All eufy smart locks include physical keys for manual unlocking if batteries fail. In addition, the lever-handle FamiLock C32 features an emergency USB-C port on its exterior housing, enabling you to attach a power bank and temporarily power the fingerprint scanner or keypad to gain entry.