eufy FamiLock S3 Max Smart Lock with Camera and Doorbell Palm Vein Recognition, Keyless Entry Door Lock for Front Door, 3-in-1 Wi-Fi Keypad Deadbolt+ 2K HDR Camera+ Doorbell, ANSI/BHMA Grade 1, Rear Lock Video Screen

eufy FamiLock S3 Max Smart Lock Details

Step into the next generation of home security with the eufy FamiLock S3 Max Smart Lock with Camera and Doorbell. More than just a lock, it welcomes you with advanced palm vein recognition, captures every detail with its 2K HDR camera, and keeps you connected and informed—whether you’re at home or on the go.

Palm Vein Unlocking – Fast, Private, and Secure

Unlock your door with 99.99999% accuracy in just 0.1 seconds using advanced palm vein recognition. This unique, forgery-proof technology scans the vein patterns in your palm, which are impossible to replicate. Your palm vein data is stored locally on the lock—keeping your privacy completely in your hands.

eufy FamiLock S3 Max Smart Lock with Camera and Doorbell

The eufy smart lock with camera—FamiLock S3 Max—combines a 2K HD camera with an f/1.6 lens for sharp video day or night. The 150° head-to-toe wide-angle view removes blind spots, so you can see packages on the ground or visitors at your door. It also works as a video doorbell and door smart lock with camera with instant visitor alerts. Perfect for keeping your family safe and giving peace when children or elderly loved ones are home alone.

Rear Lock Video Screen – Simple and Convenient

Check who’s at the door anytime without using a phone. The built-in indoor video screen is easy for anyone to use, especially children and seniors. Just glance at the screen for instant peace —no app needed.

eufy FamiLock S3 Max Smart Lock: Reliable Dual Power Supply

Enjoy up to 4 months of use with the rechargeable battery. In emergencies, switch to 4 AAA backup batteries for an extra month of essential operation during power outages.

Smart Home Ready with Matter & Apple Home

Connect easily to the eufy Ecosystem and HomeBase 3 for AI-powered security. This best keyless entry door lock supports Matter, so you can link it with Apple Home, Google Home, Alexa, and SmartThings for a smart home setup. (Note: Camera streaming is not yet supported via Matter. For the best experience, use the eufy App. The S3 Max works with HomeBase 3 but not HomeBase 2.)