Fingerprint Door Lock with Handle - Tuya App Control & Mechanical Key Backup 5-in-1 Keyless Entry Smart Fits .72inch Doors, Auto Loc

5-IN-1 UNLOCK WITH MECHANICAL FAIL-SAFE Unlock via Fingerprint (0.3s speed), Anti-peep Passcode, IC Card, Tuya Smart App, and Physical Mechanical Key. Unlike other digital locks, we provide 2 mechanical keys as a permanent fail-safe backup. Hidden keyhole design ensures security while giving you % peace of mind against battery failure.TUYA APP CONTROL & REMOTE MANAGEMENT Connects directly to 2.4GHz WiFi (No Gateway Required). via the Tuya App, you can: 1) Generate Temporary Passcodes for guests/housekeepers (valid for set times); 2) View Unlock Records to see who entered and when; 3) Receive Remote Unlock Requests (press 'doorbell' on keypad to request app unlock). Perfect for Airbnb hosts and rental management.UNIVERSAL FIT & EASY INSTALLATION Designed to replace your existing knob or lever. Fits standard US doors with thickness 35mm-mm ("-"). The handle is Reversible for both Left and Right-handed doors. Easy DIY installation with just a screwdriver—refer to the included manual for the drilling template (if needed) and step-by-step guide.1-YEAR BATTERY LIFE & EMERGENCY POWER Powered by 4x AA Alkaline batteries (not included), lasting up to months (depending on usage). Features a Low Battery Alarm on the app and lock. In an emergency, use the USB-C Port on the outer handle to power the lock with a power bank, or simply use the mechanical keySatisfaction backed by warranty: Purchase with confidence thanks to our 30-day money-back guarantee, two-year product warranty, and lifetime customer support for this smart deadbolt lock.