eufy FamiLock S3 Max + Video Doorbell E340 + eufy Smart Display E10

eufy FamiLock S3 Max Palm Vein Unlocking: Achieve recognition in just 0.1 seconds with secure, forgery-proof palm vein technology. Your palm vein data is stored locally on the lock, keeping your privacy entirely in your hands. This all-in-one device: This smart lock features a 2K HD night-vision camera, a 150° wide-angle video doorbell, and a smart lock with real-time alerts—keeping your home secure. The Rear Lock Video Screen: The Video Screen lets you easily check the front door without an app, offering a simple, intuitive design perfect for seniors and children. Dual Power Supply System: With two batteries, enjoy up to 5 months of total usage, plus 4 AAA backup batteries for uninterrupted performance during power outages. Smart Display E10 Instant Hands-Free Door Alerts: When someone rings the doorbell, unlocks the door, or is detected by the camera, the display automatically lights up with a live feed and a voice alert. See Everything with Four Views on One