Smart Door Knob Fingerprint Lock 4-in-1 Keyless Entry (Fingerprint/App/Code/Key) Biometric Door with Auto-Lock Easy Install for Home/Bedroom/Office-Black

4-in-1 Keyless Entry Smart Door Knob Enjoy flexible access with 4 unlocking methods: fingerprint (99% recognition rate), Tuya app control, anti-peeping keypad, and 2 emergency keys. Ideal for families with kids and elders, with storage for up to 100 fingerprints, codes, or cards. No more fumbling for keys when carrying groceries or luggage! Military-Grade Local Data Storage Your biometric data remains 100% offline in the door handle's encrypted chip, with zero cloud vulnerabilities. Hackers cannot access your fingerprint or password details, making it suitable for security-conscious homeowners. Silent Auto-Lock & Low Maintenance Auto-locks securely 5s after closing. Enable silent mode to avoid disturbances and use C-port emergency power when the batteries run low. Easy Installation No drilling or wiring is required. The fingerprint door handle fits 1.18" - 1.97" thick wooden doors with left- or right-hand swing. It comes with video tutorials and all tools, allowing even tech novices to install it during a coffee break. 0.5 s Lightning-Fast Access Advanced biometric technology recognizes fingerprints in 0.5 seconds, faster than pulling out keys