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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🔐 Lock in the future of home security with eufy FamiLock S3 Max!

ROBUST METAL BUILD - Crafted from durable metal and plastic, designed to withstand daily use while maintaining sleek aesthetics.
SEAMLESS AUTO LOCK - Experience effortless security with instant auto-locking that keeps your space protected 24/7.
READY OUT OF THE BOX - Includes 4 AAA lithium-ion batteries so you can install and secure your property immediately—no extra purchases needed.
COMPACT LIGHTWEIGHT - At just 1.04 kg and under 20 cm tall, it fits seamlessly into any door setup without bulk or hassle.
SMART VIDEO INTEGRATION - Built-in video screen lets you visually verify visitors, adding a layer of modern convenience and safety.

The eufy FamiLock S3 Max is a cutting-edge video lock featuring an auto-lock mechanism, integrated video screen for visitor verification, and a durable metal-plastic build. Powered by included lithium-ion AAA batteries, it offers a compact, lightweight, and ready-to-use security solution designed for modern homes and offices.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Manufacturer	eufy
Part Number	T85V0
Product Dimensions	7.8 x 3.1 x 19.99 cm; 1.04 kg
Batteries	4 AAA batteries required. (included)
Item model number	E85V0
Colour	Light Gray
Style	Video Lock With Screen
Material	Metal, Plastic
Item Package Quantity	1
Number of Pieces	1
Special Features	Auto-Lock
Included Components	Lock
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Ion
Item Weight	1.04 kg

eufy FamiLock S3 Max

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