eufy FamiLock S3, Palm Vein Recognition Wi-Fi Smart Lock, 3-in-1 Keyless Entry, Security Electronic Deadbolt for Front Door, ANSI/BHMA Grade 1, Auto Lock, Voice Control, IP65 Waterproof

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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 cutting-edge, forgery-proof palm vein recognition. This next-gen security feature relies on the unique vein patterns in your palm, ensuring top-tier protection. Plus, your palm vein data is stored securely on the device, keeping your privacy intact.
All-in-One Smart Lock with 2K HD Camera: FamiLock S3 integrates a high-resolution 2K HD camera with an f/1.6 lens, ensuring crystal-clear visibility even in low light with HDR support. Enjoy an ultra-wide view with 150° vertical, 150° horizontal, and 180° diagonal coverage, eliminating blind spots—perfect for monitoring packages and visitors.
Dual Power Supply for Uninterrupted Performance: Stay powered with a 15,000mAh rechargeable lithium battery, offering up to 4 months of continuous use. In case of power loss, 4 AAA backup batteries provide an extra month of operation, ensuring uninterrupted security.
PIR & Radar Dual Sensors for Smart Detection: Reduce false alarms by 95% with advanced PIR and Radar dual-sensor technology, delivering faster and more reliable access—keeping security and convenience at the forefront.
Seamless Home Automation with Matter & Apple Home: Easily integrate with the eufy Ecosystem & HomeBase 3 for advanced AI security features. Supports Matter for smooth, secure connections with Apple Home, Google Home, Alexa, and SmartThings—giving you a privacy-first, future-ready smart home experience.