eufy FamiLock S3, Smart Lock with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, 3-in-1 Wi-Fi Keypad Deadbolt+ 2K HDR Camera+ Doorbell, ANSI/BHMA Grade 1, Auto Lock, No Monthly FeeClimatePartner certified

eufy FamiLock S3, Smart Lock with Palm Vein Recognition, Keyless Entry Door Lock for Front Door, 3-in-1 Wi-Fi Keypad Deadbolt+ 2K HDR Camera+ Doorbell, ANSI/BHMA Grade 1, Auto Lock, No Monthly FeeClimatePartner certified

Q: What kind of doors are eufy FamiLock S3 compatible with?

Compatible with most standard doors, door thickness:35-55 mm. Do not recommend to install on the door that has a storm door in front, which might block the view. If your latch recess is round, contact eufy Support to get a round drive-in faceplate.

Q: Which eufy devices and systems are eufy FamiLock S3 compatible with?

It supports connection with Homebase 3 and is expected to be compatible with HB2 in Q2 of 2025. Without Homebase, it links to other eufy cameras, letting you remotely lock/unlock via live view on any device.

Q: Does eufy FamiLock S3 support external integration with other smart home platforms?

It supports the Matter protocol. Through Matter, you can work with Apple Home to integrate into the Apple ecosystem. Currently, it cannot be connected to HB3 and external ecosystem gateways simultaneously. eufy is on standby for a beta solution.

Q: What should be noted when using the palm vein unlocking function?

You can store palm vein information for 50 family members. The palm vein can only be used to unlock, not to lock.

Q: What is the power supply method of this door lock? What happens if the battery runs out?

Our door lock uses a dual power supply with lithium and standard batteries. When the lithium battery is low, standard batteries provide emergency power, allowing PIN code access to lock/unlock, while other functions are unavailable.

4.3/5

Product ID: 722783870

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Details

Brand
eufy Security
Special feature
Auto-Lock
Lock type
Deadbolt
Item dimensions L x W x H
7.8 x 3.1 x 20
Style
Video Lock

📸2K HDR ultra-wide camera

🔋4 months battery + backup

🖐️99.99999% palm vein accuracy

Frequently Bought Together

eufy FamiLock S3, Palm Vein Recognition Wi-Fi Smart Lock, 3-in-1 Keyless Entry, Security Electronic Deadbolt for Front Door, ANSI/BHMA Grade 1, Auto Lock, Voice Control, IP65 Waterproof

eufy Security HomeBase S380 (HomeBase 3),eufy Edge Security Center, Local Expandable Storage up to 16TB, eufy Security Product Compatibility, Advanced Encryption,2.4 GHz Wi-Fi, No Monthly Fee

Description

🖐️ Unlock the future of home security with a touch of genius!

POWER THAT KEEPS UP - Enjoy up to 4 months of uninterrupted security on a single charge, plus an extra month with backup AAA batteries.
PALM VEIN PRECISION UNLOCK - Experience near-instant, forgery-proof access with 0.1s recognition and unmatched 99.99999% accuracy.
SEAMLESS SMART HOME INTEGRATION - Effortlessly connect with Apple Home, Google Home, Alexa, and Matter for a future-proof, privacy-first smart ecosystem.
CRYSTAL CLEAR 2 K HDR SURVEILLANCE - Monitor your doorstep with a 150° ultra-wide lens and HDR clarity, day or night—never miss a visitor or package.
SMART DETECTION ZERO FALSE ALARMS - Dual PIR & Radar sensors cut false alarms by 95%, ensuring your home stays secure without the noise.

The eufy FamiLock S3 is a cutting-edge smart lock featuring ultra-secure palm vein recognition with 99.99999% accuracy, a 2K HDR camera with ultra-wide coverage, and dual PIR & Radar sensors to minimize false alarms. Powered by a long-lasting 15,000mAh rechargeable battery plus backup AAA cells, it offers up to 5 months of continuous operation. Designed for seamless integration with major smart home platforms including Apple Home and Matter, it delivers a privacy-first, no-monthly-fee security solution perfect for the modern connected home.

Specifications

Manufacturer	eufy
Part Number	T85V0
Product Dimensions	7.8 x 3.1 x 19.99 cm; 2.46 kg
Batteries	4 AAA batteries required. (included)
Item model number	T85V0
Colour	Light Gray
Style	Video Lock without Screen
Power Source	Battery Powered
Installation method	Self-Adhesive
Number of Pieces	1
Special Features	Auto-Lock
Included Components	Lock
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion
Item Weight	2.46 kg

Have a Question? See What Others Asked

What kind of doors are eufy FamiLock S3 compatible with?

Which eufy devices and systems are eufy FamiLock S3 compatible with?

Does eufy FamiLock S3 support external integration with other smart home platforms?

What should be noted when using the palm vein unlocking function?

What is the power supply method of this door lock? What happens if the battery runs out?

Common Questions

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