eufy Smart Lock Lineup: The Quick Keyless Entry Shortlist

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Selecting the right smart lock requires balancing authentication speed, weather resistance, hardware form factors, and power upkeep. Within modern keyless entry hardware, homeowners and property managers must choose between standalone deadbolts that focus strictly on motorized locking, integrated video deadbolts that merge a security camera and doorbell into a single lock housing, and interior lever mechanisms built for individual rooms. Navigating these configurations involves evaluating whether your entryway benefits most from capacitive fingerprint readers, illuminated pushbuttons, touchscreens, or automated facial recognition sensors.

The eufy keyless entry ecosystem organizes its catalog into three clear functional categories according to published specifications. The C-series deadbolts focus on core entryway security, pairing integrated Wi-Fi with physical buttons, glass touchscreens, or rapid biometric sensors. The premium E-series video smart locks expand on standard deadbolts by embedding 2K high-definition video monitoring, two-way communication, and rechargeable lithium power cells directly onto the exterior door frame. Finally, specialized models like the FamiLock series adapt biometric latch mechanisms to interior doors, creating a structured range of options for residential exterior perimeters and dedicated interior workspaces alike.

Criteria matrix What each model in this report is credited with

Rows are the criteria that come up in the pros and cons listed for this lineup. A check means the criterion is named in this report’s write-up of that model; a dash means it is not. Criteria that apply to every model, or to only one, are left out because they separate nothing.

Criterion	Smart Lock C220 8.0/10	Smart Lock C30 9.4/10	Video Smart Lock E330 9.0/10	Smart Lock C210 9.6/10	Video Smart Lock E40 9.4/10	Smart Lock FamiLock C32 8.4/10
AA batteries	✓Named	✓Named	Not named	✓Named	Not named	✓Named
Integrated lever handle	✓Named	Not named	Not named	Not named	Not named	✓Named
Illuminated touchscreen	✓Named	Not named	Not named	✓Named	Not named	Not named
Biometric fingerprint	✓Named	Not named	✓Named	Not named	Not named	Not named
Facial recognition	Not named	Not named	✓Named	Not named	✓Named	Not named
Biometric scanner	✓Named	Not named	Not named	Not named	Not named	✓Named
Durable physical	✓Named	✓Named	Not named	Not named	Not named	Not named
Built-in Wi-Fi	✓Named	✓Named	Not named	Not named	Not named	Not named
Criteria named	7 / 8	3 / 8	2 / 8	2 / 8	1 / 8	3 / 8

Built from the wording of this report, not from a bench test. A dash is not a fault: it only means the write-up does not mention that point for that model. Scores next to each model are out of 10, based on listed specifications and buyer feedback.

eufy Smart Locks Lineup at a Glance

The Models in Detail

eufy Security Smart Lock C220

Best for: Interior offices bedrooms and garage access doors

Pros

• Integrated lever handle design
• 3-second rapid biometric sensor
• Emergency USB-C power port

Cons

• Not recommended for front doors
• Interior passage latch only

Best for: Sleek touchscreen deadbolt replacement on budget

Pros

• Illuminated touchscreen keypad
• Built-in Wi-Fi remote access
• Four AA batteries included

Cons

• No biometric fingerprint reader
• No video surveillance features

Best for: Tactile keypad security in cold climates

Pros

• Durable physical pushbuttons
• Built-in Wi-Fi connectivity
• Customizable auto-lock timer

Cons

• Lacks biometric scanner
• Five-month battery life

Best for: Everyday front entry with fast fingerprint access

Pros

• Sub-second fingerprint recognition
• Built-in Wi-Fi without bridge
• Eight-month battery operation

Cons

• IP53 weather rating only
• Requires eight AA cells

The eufy Security Smart Lock C220 serves as an agile biometric deadbolt designed for front entryways, office doors, and apartment entrances. Its standout feature is an integrated capacitive fingerprint sensor that unlocks the door in under one second. The biometric scanner uses a self-learning algorithm that improves accuracy with each touch, reducing misreads over extended daily use. In addition to fingerprint entry, the lock supports five alternative unlocking pathways: digital access through the mobile app, numerical keypad input, physical backup keys, Apple Watch commands, and hands-free voice control through Alexa or Google Voice Assistant. The deadbolt features built-in Wi-Fi, meaning remote operation, activity logging, and routine integrations with companion video doorbells function directly without requiring an additional network bridge.

Power delivery relies on eight included AA batteries, providing an operational lifespan of roughly eight months depending on usage frequency. Built for standard exterior installations, the exterior assembly carries an IP53 weather-resistance rating and operates across an environmental temperature spectrum from -22°F to 158°F (-30°C to 70°C). Structural durability is verified by BHMA Grade 3 certification, reflecting rigorous testing exceeding 100,000 continuous lock and unlock operations. The lock includes an integrated security alarm that sounds if unusual tampering or forced entry attempts occur. The physical deadbolt is compatible with standard bore holes under 54mm by removing the included spacer, enabling a 15-minute DIY installation process with standard tools and no extra door drilling.

This model is an exceptional fit for busy households and professionals who prioritize instantaneous fingerprint entry without dealing with separate hubs or complicated wiring. It provides comprehensive digital control while retaining traditional key access for emergencies. However, for entryways that experience direct exposure to driving rain or extreme wind-blown moisture, the C220 gives way to higher-tier weather-sealed units like the IP65-rated video locks in the lineup.

eufy Security Smart Lock C30

The eufy Security Smart Lock C30 is engineered for property owners who prioritize tactile, mechanical reliability over biometric sensors. Instead of a touch-sensitive glass display or a fingerprint scanner, the C30 features durable physical pushbuttons that provide positive feedback upon actuation. This tactile layout prevents digit mis-presses during poor weather or when operators are wearing winter gloves. Built-in Wi-Fi hardware connects directly to local wireless networks, ensuring complete remote control, status monitoring, and voice assistant integration via Alexa and Google Assistant without the purchase of an external bridge.

Under the interior cover, the lock is driven by four AA batteries engineered to supply up to five months of uninterrupted service. An integrated low-battery indicator on the exterior assembly warns homeowners well before power depletion occurs. For peace of mind, the lock includes an automated locking system with a customizable countdown timer, ensuring the deadbolt extends automatically once the door swings closed. The exterior housing is IP53 waterproof, operates in temperatures between -22°F and 158°F, and holds BHMA Grade 3 mechanical certification for proven long-term durability across high-traffic residential installations.

The C30 suits rental units, utility doors, and secondary entryways where multiple occasional guests require straightforward, foolproof PIN code entry. Unlike a localized bluetooth entry door lock that requires mobile proximity to function, the C30 maintains a constant cloud link for on-demand guest code generation. For shoppers demanding biometric speed, the C30 steps aside for the C220 or the integrated video alternatives.

eufy Security Video Smart Lock E330

Best for: High-traffic doors demanding hands-free facial recognition

Pros

• Touchless facial recognition unlock
• All-in-one 2K camera and doorbell
• 32GB subscription-free local storage

Cons

• Incompatible with mortise locks
• Requires large flat door area

Best for: Porches needing combined video and deadbolt security

Pros

• Integrated 2K HD camera
• Rechargeable 10,000mAh battery pack
• IP65 weather-sealed exterior

Cons

• Cloud thumbnail previews require network
• Larger exterior footprint

The eufy Security Video Smart Lock E330 converges high-definition visual monitoring with robust deadbolt security into an all-in-one front-door fixture. Centered on the exterior escutcheon is a 2K HD camera equipped with an f/1.6 wide-aperture lens, capturing sharp facial detail and package deliveries even in low-light evening conditions. Beneath the camera lens, a rapid biometric fingerprint scanner provides touch-and-go access in seconds. The unit also accommodates PIN codes through an integrated keypad, direct control via the mobile application, Alexa and Google Assistant voice prompts, and traditional physical keys.

To support continuous video recording and motorized deadbolt throws, the E330 utilizes a substantial 10,000mAh rechargeable lithium battery pack. This power pack provides dependable operation without requiring disposable AA cells. Durability is a significant highlight: the exterior housing earns an IP65 weather-resistance rating, providing advanced protection against driving rain, blowing dust, and temperature swings. The mechanical assembly is BHMA Grade 3 certified and installs on standard US deadbolt configurations in approximately 15 minutes without frame modification. Video preview thumbnails are routed to mobile notifications using cloud caching, while peripheral compatibility extends to external door chimes and centralized home base stations.

This video lock is ideal for homeowners who want to consolidate their front door hardware, eliminating the clutter of maintaining a separate doorbell camera and a standalone smart lock. It delivers immediate situational awareness whenever someone approaches the threshold. When evaluated against the flagship E40, the E330 lacks touchless facial recognition and radar sensing, making it the more focused, practical video deadbolt for standard residential entryways.

eufy Security Smart Lock C210

The eufy Security Smart Lock C210 provides a streamlined deadbolt upgrade focused on digital keypad convenience. Formerly identified under model designation E110—with manufacturer documentation confirming identical functional architecture—the lock relies on an illuminated touchscreen keypad. The responsive glass interface allows users to input custom security PINs, while the underlying firmware supports five total unlock methods: smartphone app commands, touchscreen codes, physical backup keys, Apple Watch wrist tapping, and synchronized voice controls via Google Assistant or Amazon Alexa.

The internal assembly runs on four included AA batteries, pairing with an integrated Wi-Fi module that avoids the requirement of supplementary hub hardware. Remote functionality allows homeowners to manage digital access rights, view chronological event histories, and receive instant push notifications whenever the door is engaged. Physical construction meets BHMA testing standards, verified through 100,000 cycle endurance runs. An internal security sensor monitors physical deadbolt tension and sounds an immediate local alarm when forced mechanical tampering is detected.

The C210 is tailored for residential buyers who prefer a clean, all-black modern aesthetic and simple PIN entry without investing in biometric scanning or video hardware. For homeowners reviewing keypad architectures, consulting an external wifi smart door lock comparison illustrates how embedded Wi-Fi deadbolts eliminate the communication bottlenecks typical of hub-dependent products. For those who prioritize rapid physical ingress when holding groceries, the C210 gives way to the fingerprint-equipped C220.

eufy Security Video Smart Lock E40

The eufy Security Video Smart Lock E40 stands as the brand’s flagship entry management system, incorporating advanced biometric facial recognition alongside optical surveillance. The integrated 2K HD camera offers an expanded 135-degree head-to-toe field of view, providing complete visibility over visitors standing directly at the threshold as well as packages placed on the porch floor. The facial recognition hardware scans approaching family members to trigger automatic, touch-free unlocking, creating a seamless hands-free entry experience.

Power architecture is managed through an innovative dual-battery configuration. A massive 15,000mAh rechargeable lithium battery drives primary daily operations for up to six months, while a secondary 800mAh built-in backup battery automatically engages whenever the main cell is removed for recharging, preventing front door downtime. Motion detection is governed by a 60 GHz millimeter-wave radar sensor that filters out ambient movement from wind, passing street traffic, and small animals, drastically reducing false notifications. Video recordings are stored locally on 32GB of integrated internal memory without recurring monthly subscription fees. The exterior assembly is IP65 waterproof, operates from -22°F to 158°F, and supports the Matter smart home standard for universal platform interoperability across Apple Home, Google Home, Alexa, and SmartThings.

This premium device is designed for technology-forward households and busy professionals seeking complete hands-free automation and comprehensive entryway surveillance. It replaces the separate doorbell, security camera, and deadbolt with a single coordinated exterior housing. The unit does require a standard single-cylinder deadbolt prep and cannot be installed on mortise assemblies or non-standard rounded faceplates.

eufy Security Smart Lock FamiLock C32

The eufy Security Smart Lock FamiLock C32 shifts focus from exterior deadbolts to interior passage doors, featuring an integrated lever handle construction. The handle incorporates a high-precision biometric scanner with a wide surface area that unlocks the door in just 0.3 seconds. The scanner utilizes 360-degree recognition and adaptive AI algorithms that refine user profiles with every touch, ensuring seamless entry for children, adults, and elderly residents alike.

Equipped with a built-in 2.4 GHz Wi-Fi module, the FamiLock C32 allows remote door management, credential scheduling, and real-time activity tracking from any location through the mobile application. Hands-free voice unlocking is supported via Alexa and Google Assistant. Power is supplied by four included AA batteries that deliver more than five months of routine operation. In the event of battery depletion, an emergency external USB-C port allows users to power the internal electronics using a portable battery bank, enabling immediate entry via PIN or fingerprint without searching for the included physical keys.

The C32 is explicitly tailored for interior residential spaces, such as private home offices, master suites, internal garage access doors, and dedicated storage rooms. When outfitting a property, homeowners frequently combine interior biometric handles with a fortified front door handle set to ensure cohesive perimeter defense. The listing specifies that the C32 is not recommended for exterior front doors due to its interior latch mechanism.

Matching a Model to Your Setup

• Primary residential front doors requiring instantaneous biometric entry: The eufy Security Smart Lock C220 offers sub-second fingerprint scanning, eight-month battery life, and Grade 3 physical security without an external bridge.
• All-in-one entryway monitoring with hands-free convenience: The eufy Security Video Smart Lock E40 combines touchless facial recognition, 2K video surveillance, 60 GHz radar filtering, and dual-battery fail-safes.
• Integrated porch security on a simplified rechargeable platform: The eufy Security Video Smart Lock E330 unites a 2K camera, fingerprint recognition, and an IP65 weather-sealed chassis powered by a 10,000mAh battery.
• Rental properties, utility entrances, and winter climates: The eufy Security Smart Lock C30 delivers tactile physical pushbuttons that prevent digit errors in cold conditions while preserving remote Wi-Fi scheduling.
• Modern minimalist aesthetic focused on keypad codes: The eufy Security Smart Lock C210 provides a sleek touchscreen interface, tamper alarms, and broad smart platform integration.
• Interior home offices, storage rooms, and attached garages: The eufy Security Smart Lock FamiLock C32 provides an all-in-one lever handle featuring 0.3-second fingerprint recognition and USB-C emergency powering.

Before You Buy

Before purchasing an intelligent locking system, verify your door prep against the hardware specifications provided in the manufacturer listings. All deadbolt models in this lineup are engineered for standard US and Canadian single-cylinder deadbolt preparations requiring bore diameters up to 54mm. However, the listings do not specify compatibility with non-standard doors exceeding standard residential thickness, nor do they support mortise locks or decorative circular faceplates. Buyers should also inspect their existing door frames; an automated smart deadbolt requires the latch bolt to extend freely into the strike pocket without requiring manual pushing or pulling on the door slab.

Network infrastructure and battery management also warrant careful planning. Every lock covered includes built-in Wi-Fi, but operation is restricted to 2.4 GHz radio frequencies; the product listings do not specify support for 5 GHz bands or commercial mesh network band steering. Furthermore, while the video-enabled models incorporate high-capacity rechargeable lithium batteries, the keypad and deadbolt models run on four or eight AA alkaline batteries. The listings do not specify whether rechargeable NiMH AA batteries maintain sufficient voltage curves to drive the motorized deadbolt over extended periods, making standard alkaline cells the recommended power source.

FAQ

Do eufy smart locks require an additional hub or bridge for remote control?

No. Every model covered in this guide features an integrated Wi-Fi module built directly into the lock housing. You can manage user PINs, review unlock timelines, receive real-time push alerts, and operate the motorized bolt remotely using the mobile application without buying or configuring a separate bridge or hub.

Can the eufy Security Smart Lock FamiLock C32 be installed on an exterior front door?

The manufacturer listing explicitly advises against installing the FamiLock C32 on an exterior front door. The C32 is designed as an interior passage latch lever rather than a hardened exterior deadbolt. It is best suited for securing home offices, internal garage doors, private suites, and residential utility rooms.

How do the video smart lock models store recorded footage?

The eufy Security Video Smart Lock E40 features 32GB of integrated local storage memory, allowing video events and doorbell interactions to be saved directly on the lock without ongoing monthly subscription fees. The Video Smart Lock E330 utilizes temporary cloud caching to deliver thumbnail preview alerts directly to mobile push notifications, and it supports expanded local storage when paired with compatible external security base stations.

What emergency access options exist if the lock batteries die completely?

All six models include physical backup keys that mechanically turn the locking cylinder regardless of battery power. For the FamiLock C32, an external USB-C emergency port allows users to attach a portable power bank to temporarily energize the keypad and fingerprint sensor. The Video Smart Lock E40 includes an internal 800mAh secondary backup battery that automatically takes over operation when the primary 15,000mAh pack is depleted or removed for charging.

Are these smart locks compatible with voice control platforms?

Yes. The entire lineup supports voice commands through Amazon Alexa and Google Assistant, allowing users to lock, unlock, and check status using compatible smart speakers and displays. Additionally, the Video Smart Lock E40 supports the universal Matter protocol, enabling direct connectivity across Apple Home, Google Home, Alexa, and SmartThings ecosystems.