Smart fingerprint door lock Color 3585 Size Right Direction Key benefits Fast, convenient access: semiconductor fingerprint sensor wakes on one touch to unlock and activate the handle. Multiple backup entry methods: smartphone app, fingerprint, password with peekproof touch display, and mechanical key for reliable access. Scalable user management: supports up to 100 fingerprint users for households, small offices, or shared properties. Easy retrofit and flexible installation: compatible with older mortise sizes and designed for DIY replacement without damaging the original door. Handle is reversible for left and right handed doors. Continuous operation and emergency power: dual battery supply with USB emergency power option keeps the lock operational when batteries run low. App and connectivity: lock app with WiFi support for remote management and settings adjustment. Main functions and performance Semiconductor fingerprint sensor for quick recognition and low false accepts. Onetouch fingerprint unlocking that both wakes the sensor and turns the handle for smooth entry. Peekproof password entry on a touch display to prevent shouldersurfing. Magnetic lever handle with integrated deadbolt for combined convenience and mechanical locking. Multiple alarm modes to notify of unauthorized attempts or tampering. Energyefficient operation for extended battery life under typical use. Compatibility and installation Color: 3585 Size: Right Direction Designed to existing locks without major modification; compatible with common mortise sizes. Reversible handle supports both left and right handed doors. DIY friendly installation with standard tools. Use scenarios Home entry door: a standard lock to add fingerprint access for family members and appbased management for guests. Small office or shared workspace: Manage up to 100 user fingerprints and assign PIN codes or app access for employees and contractors. Short term rentals and property management: Grant app access remotely, maintain multiple user records, and rely on mechanical key backup if needed. What is included and access options 4in1 access methods: Smartphone app, fingerprint, password input, and mechanical key. Power: dual battery operation plus USB emergency power input. Connectivity: app control with WiFi support for remote configuration and monitoring. This lock is designed to provide practical, modern access control while fitting existing door hardware. It focuses on fast biometric entry, multiple fallback options, easy installation, and flexible user management.