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.

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

It supports connection with Homebase 3 and it is not compatible with HB2. With Homebase, it links to other eufy cameras, letting you remotely lock/unlock via live view on any device.

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.

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.

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.

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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 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

Product ID: 741154086

Details

Brand
eufy Security
Item dimensions L x W x H
7.8 x 3.1 x 20
Lock type
Deadbolt
Material
Stainless
Special features
Auto-Lock

📸2K HD ultra-wide camera

🔋4 months battery life

🖐️0.1s palm vein unlock

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Unlock the future with a touch—security that’s smarter, faster, and undeniably sleek.

UNSTOPPABLE POWER BACKUP - 15,000mAh rechargeable battery plus 4 AAA backups keep your lock running for up to 5 months—security that never sleeps.
NEXT GEN PALM VEIN SECURITY - Experience 99.99999% accuracy with lightning-fast 0.1s palm vein recognition—your home’s biometric fortress.
SEAMLESS SMART HOME INTEGRATION - Effortlessly connect with Apple Home, Alexa, Google Home & Matter for a future-proof, privacy-first smart ecosystem.
CRYSTAL CLEAR 2 K HD SURVEILLANCE - Ultra-wide 150° view with HDR ensures no visitor or package goes unnoticed, day or night.
SMART DETECTION ZERO FALSE ALARMS - Dual PIR & Radar sensors slash false alarms by 95%, blending convenience with uncompromised safety.

The eufy FamiLock S3 is a premium ANSI/BHMA Grade 1 smart lock featuring ultra-secure palm vein recognition with 99.99999% accuracy and 0.1-second response time. It integrates a 2K HD camera with a 150° ultra-wide view and HDR for superior monitoring. Powered by a 15,000mAh rechargeable battery plus AAA backups, it offers up to 5 months of uninterrupted use. Advanced PIR and Radar sensors reduce false alarms by 95%, while seamless compatibility with Apple Home, Alexa, Google Home, and Matter ensures a cutting-edge, privacy-first smart home experience.

Specifications

ASIN	B0DTHVNNXQ
ASIN	B0DTHVNNXQ
Additional Features	Auto-Lock
Batteries	4 AAA batteries required. (included)
Best Sellers Rank	#112,209 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #226 in Deadbolts
Brand Name	eufy Security
Color	Light Gray
Connectivity Protocol	Wi-Fi
Control Method	App
Controller Type	Apple HomeKit, Amazon Alexa, SmartThings, iOS, Android
Customer Reviews	4.1 4.1 out of 5 stars (424)
Customer reviews	4.1 4.1 out of 5 stars (424)
Date First Available	24 June 2025
Included Components	Lock
Item Dimensions	7.8 x 3.1 x 20 centimeters
Item model number	T85V0
Lock Type	Deadbolt
Manufacturer	eufy
Manufacturer	eufy
Manufacturer Part Number	T85V0
Material Type	Stainless Steel
Model Name	T85V01Y1
Model Number	T85V0
Number of Pieces	1
Product Dimensions	7.8 x 3.1 x 19.99 cm; 2.44 kg
Recommended Uses For Product	Securing residential front doors
Shape	Rectangular
Style Name	Palm Vein + Video
UPC	194644232672
Unit Count	1.0 Count

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