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!

NEXT GEN PALM VEIN SECURITY - Wave goodbye to keys with lightning-fast, forgery-proof palm vein recognition that unlocks in just 0.6 seconds—privacy locked tight on-device.
SEAMLESS SMART HOME INTEGRATION - Effortlessly connect with Apple Home, Alexa, Google Home, and more via Matter and eufy Ecosystem for a future-ready, privacy-first smart home.
INTUITIVE REAR LOCK VIDEO SCREEN - Check your front door status instantly without a smartphone—perfect for family members who prefer simplicity and quick access.
CRYSTAL CLEAR 2 K HDR VIDEO DOORBELL - See every visitor in stunning detail day or night with a wide 150° head-to-toe view that leaves no blind spots—never miss a package or guest again.
DUAL POWER SYSTEM FOR UNINTERRUPTED SECURITY - Stay worry-free with a rechargeable battery lasting up to 4 months plus emergency AAA batteries for an extra month during outages.

The eufy FamiLock S3 Max is a cutting-edge smart lock combining biometric palm vein recognition with a 2K HDR video doorbell and an intuitive rear lock video screen. Engineered for fast, forgery-proof access and crystal-clear visitor monitoring, it features a dual power system ensuring months of uninterrupted use. Compatible with major smart home platforms via Matter, it offers a seamless, privacy-first security upgrade for modern front doors.

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	3.07 x 1.22 x 7.87 inches
Material	Aluminum
Recommended Uses For Product	Front Door, Home use
Style	Palm Vein + Video + Rear Screen
Color	Black
Number of Pieces	1
Included Components	Deadbolts & Deadbolts Screws, Exterior Assembly, Interior Assembly, Physical Keys, Rechargeable Battery & AAA Batteries x 4
Controller Type	Amazon Alexa, Android, Apple HomeKit, SmartThings, iOS
Shape	Rectangular
Item Weight	2.5 Kilograms
Control Method	Gesture, Remote, Touch, Voice
Connectivity Protocol	Wi-Fi
UPC	194644232658
Model Name	E85V0JY1
Manufacturer	eufy
Part Number	T85V0
Item Weight	5.5 pounds
Product Dimensions	3.07 x 1.22 x 7.87 inches
Item model number	E85V0
Batteries	4 AAA batteries required. (included)
Item Package Quantity	1
Special Features	2K Full HD Head-to-toe View, DualPower System, PIR+Radar Motion Detect, Wave to unlock with Palm, Works with Smart Home Platforms
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion

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