eufy FamiLock S3 Max

Q: 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.

Q: Which eufy devices and systems are eufy FamiLock S3 Max 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 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.

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.

4.5/5

Product ID: 731989286

Secure Transaction

Details

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

📺Integrated video screen for real-time monitoring

🔋Long-lasting lithium-ion battery included

🔒Auto-lock for seamless security

Frequently Bought Together

eufy FamiLock S3 Max, Palm Vein Recognition Wi-Fi Smart Lock, 3-in-1 Keyless Entry, Security Electronic Deadbolt for Front Door, ANSI/BHMA Grade 1, Rear Lock Video Screen

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

🔐 Elevate your security game with smart, sleek, and seamless protection.

SLEEK COMPACT - Modern light gray design fits stylishly into any professional or home environment.
POWER THAT LASTS - Includes rechargeable lithium-ion batteries for reliable, eco-friendly performance.
EFFORTLESS SECURITY - Auto-lock feature ensures your space is always protected without lifting a finger.
VISUAL VERIFICATION - Built-in video screen lets you see who's at your door before unlocking—because trust but verify.
PLUG PLAY CONVENIENCE - Comes with everything you need—batteries included—so you can secure your space immediately.

The eufy FamiLock S3 Max is a cutting-edge video lock featuring an auto-lock mechanism, integrated video screen for real-time visitor verification, and rechargeable lithium-ion batteries. Designed with a sleek light gray finish and compact dimensions, it offers professional-grade security with effortless installation and operation.

Specifications

Manufacturer	eufy
Part number	T85V0
Item Weight	2.5 Kilograms
Product Dimensions	7.8 x 3.1 x 19.99 cm; 2.5 kg
Batteries	4 AAA batteries required. (included)
Item model number	E85V0
Color	Light Gray
Style	Video Lock With Screen
Number Of Pieces	1
Special Features	Auto-Lock
Included components	Lock
Batteries Included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion

Have a Question? See What Others Asked

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

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

Does eufy FamiLock S3 Max 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

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving over 300 million shoppers across more than 200 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

View all Trustpilot reviews