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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Description

🔐 Unlock the future of home security with a wave of your hand!

INSTANT VISITOR ALERTS - Stay connected with real-time notifications, ensuring you never miss a visitor or package drop-off.
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.
PALM VEIN PRECISION UNLOCK - Experience ultra-fast (0.6s) and forgery-proof biometric security that’s uniquely yours.
USER FRIENDLY REAR VIDEO SCREEN - Check who’s at your door instantly without a smartphone—perfect for kids and elders.
FUTURE READY SMART HOME INTEGRATION - Seamlessly connect with Apple Home, Alexa, Google Home, and more via Matter for a privacy-first smart ecosystem.

The eufy FamiLock S3 Max is a cutting-edge smart lock combining 99.9% accurate palm vein biometric unlocking, a 2K HDR camera with a 150° wide-angle video doorbell, and a rear lock video screen for easy monitoring. Featuring a dual power system with up to 4 months of rechargeable battery life plus AAA backup, it integrates smoothly with major smart home platforms via Matter, delivering top-tier security and convenience for modern homes.

Specifications

Brand	eufy Security
Special Feature	2K Full HD Head-to-toe View, DualPower System, PIR+Radar Motion Detect, Wave to unlock with Palm, Works with Smart Home Platforms
Lock Type	Biometric, Deadbolt, Video Door Lock, Video Doorbell
Item dimensions L x W x H	7.8 x 3.1 x 20 Centimeters
Material	Metal, Plastic
Recommended Uses For Product	Home
Style	Video Lock With Screen
Colour	Black
Number of Pieces	1
Included Components	Deadbolts & Deadbolts Screws, Exterior Assembly, Interior Assembly, Physical Keys, Rechargeable Battery & AAA Batteries x 4
Controller Type	iOS
Shape	Rectangular
Item Weight	1043 Grams
Control Method	Remote
Connectivity Protocol	Wi-Fi
UPC	194644232658
Model Name	E85V0JY1
Manufacturer	eufy
Item model number	E85V0
Product Dimensions	7.8 x 3.1 x 19.99 cm; 1.04 kg
ASIN	B0DTHMFMKP

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