Convenient Keyless Entry: Unlock your door in seconds with the fingerprint door lock—no keys to lose or carry. The unique UI panel with extra finger space ensures smoother operation and effortless door handling for the whole family Customizable Access for Family & Guests: Our fingerprint deadbolt supports 50 fingerprints, 100 user codes, and one-time PINs. It includes 2 backup keys, so there's no need for extra duplication, providing flexible access control for every situation Smart Auto-Lock: Select from 5s, 10s, 20s, 30s, or 60s auto-lock intervals to fit your daily routine. This fingerprint deadbolt lock features an LED-backlit keypad, a low-battery reminder, an anti-peep mode, and a silent mode for quiet nights Strength for All Seasons: Made with high-strength aluminum alloy and an IP55 waterproof rating, our biometric deadbolt performs reliably from -22°F to 158°F and through rain or snow. Its sleek, uniform finish provides lasting durability and style