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
$399.99
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At eufy we believe all great smart home products need to be thoughtfully built from the start. From whole-home security to smart cleaning solutions, eufy’s technology brings you expert protection and deep cleaning that’s tailored to your lifestyle and creates human-first technology that enlivens the lives of everyone around you.
Because care is what makes a house a home, everything we build is built with care for you.
eufy, Built with Care
Palm Vein Unlocking: Advanced Security with 99.99999% Accuracy. Achieve recognition in just 0.1 seconds with secure, forgery-proof palm vein technology. This feature ensures maximum security based on your palm’s unique vein patterns. Your palm vein data is stored locally on the lock, keeping your privacy entirely in your hands.
This all-in-one device: A 2K HD camera with an f/1.6 lens for sharp, clear visibility—even at night. A video doorbell with a 150° Head-to-Toe wide-angle view that eliminates blind spots, perfect for monitoring packages or checking on visitors. A smart lock with real-time visitor alerts. Whether it’s ensuring your family’s safety or giving peace of mind when older people or children are home alone, the FamiLock S3 Max keeps you connected and reassured.
The Rear Lock Video Screen: The Rear Lock Video Screen allows you to effortlessly check the front door status anytime, without needing a smartphone app. Its simple, intuitive design makes it ideal for the elderly and children, offering a quick and hassle-free way to see who’s at the door. Perfect for households seeking an easy-to-use, app-free solution for monitoring the front entrance.
Dual Power Supply System: Stay powered with a rechargeable battery offering up to 4 months of full functionality, plus an emergency set of 4 AAA batteries for an extra month of essential functionality in case of power outages.
[Note: Camera streams are not supported via Matter due to current limitations. For full features and the best experience, please use the eufy App.] [Matter and HomeBase 3 are currently not compatible for simultaneous use, but they can function separately. Full compatibility is expected by June.]
Customers say
Customers find the smart lock functions well and is easy to install with clear instructions. They appreciate its security features, with one customer highlighting its tamper detection and another noting its comprehensive control through the Eufy Security app. The lock receives positive feedback for its aesthetics, with one mentioning its sophisticated Space Gray finish. The palm recognition feature receives mixed reviews.
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