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

**4-in-1 Smart Door Knob with Lock** Experience ultimate flexibility with 4 unlocking methods: fingerprint (99% recognition rate), Tuya app control, anti-peeping keypad, and 2 emergency keys. Excellent for households with children or seniors, it supports up to 100 fingerprints, codes, or cards. **Military-Grade Local Data Storage** Your biometric data remains completely offline within the door handle's encrypted chip, with no cloud vulnerabilities. Feel assured knowing hackers cannot access your fingerprint or password information, making it perfect for security-conscious homeowners. **Silent Auto-Lock & Low Maintenance** It automatically locks securely 5 seconds after closing.
Night owl friendly: Activate silent mode to prevent disturbances and utilize the C-port for emergency power when batteries are depleted. ** 0.5 s Lightning-Fast Access** Advanced biometric technology identifies fingerprints in 0.5 seconds, which is quicker than retrieving keys. **Easy Installation** No drilling or wiring needed! This fingerprint door knob is designed for wooden doors 1.18" to 1.97" thick, for left or right swing. It includes video tutorials and all required tools, so even beginners can set it up swiftly