What kind of doors are eufy FamiLock S3 Max 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 Max compatible with?

It supports connection with Homebase 3 and it is not compatible with HB2. Without Homebase, it links to other eufy cameras, letting you remotely lock/unlock via live view on any device.

Does eufy FamiLock S3 Max 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.

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 Max 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, Rear Lock Video Screen

Product ID: 731989286

Details

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

📸2K HDR camera with f/1.6 lens

🔋4 months rechargeable battery life

🖐️99.9% palm vein accuracy

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EC$2176

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Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔐 Unlock the future of home security with a touch of your palm!

DUAL POWER ASSURANCE - Stay worry-free with a rechargeable battery lasting up to 4 months plus emergency AAA backup power.
CRYSTAL CLEAR 2 K HDR VIDEO - Monitor your doorstep day and night with a wide 150° head-to-toe view that leaves no blind spots.
INTUITIVE REAR LOCK SCREEN - Check front door status instantly without a smartphone—perfect for family members of all ages.
PALM VEIN PRECISION UNLOCK - Experience ultra-fast, forgery-proof access in just 0.6 seconds—security redefined.
SEAMLESS SMART HOME INTEGRATION - Effortlessly connect with Apple Home, Alexa, Google Home, and more via Matter for a future-ready ecosystem.

The eufy FamiLock S3 Max is a cutting-edge smart lock featuring 99.9% accurate palm vein recognition for keyless entry, a 2K HDR camera with a wide-angle video doorbell, and a user-friendly rear lock video screen. Designed for seamless integration with major smart home platforms via Matter, it offers up to 4 months of rechargeable battery life plus emergency AAA backup, ensuring reliable, high-grade ANSI/BHMA Grade 1 security for your front door.

Specifications

ASIN	B0DTHMFMKP
ASIN	B0DTHMFMKP
Additional Features	Auto-Lock
Batteries	4 AAA batteries required. (included)
Brand Name	eufy Security
Color	Light Gray
Connectivity Protocol	Wi-Fi
Control Method	Touch
Controller Type	Amazon Alexa, Android, Apple HomeKit, SmartThings, iOS
Country of Publication	China
Country of origin	China
Customer Reviews	4.3 4.3 out of 5 stars (344)
Customer reviews	4.3 4.3 out of 5 stars (344)
Date First Available	9 April 2025
Included Components	Lock
Item Dimensions	7.8 x 3.1 x 20 centimeters
Item Weight	1043 Grams
Item model number	T85V0
Lock Type	Deadbolt
Manufacturer	eufy
Manufacturer	eufy
Manufacturer Part Number	T85V0
Material Type	Aluminum
Model Name	E85V0JY1
Model Number	T85V0
Number of Pieces	1
Product Dimensions	7.8 x 3.1 x 19.99 cm; 1.04 kg
Recommended Uses For Product	Front Door, Home use
Shape	Rectangular
Smart Home Compatibility	Smart Home Compatible
Style Name	Video Lock With Screen
UPC	194644232658
Unit Count	1 Count

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