Features: * Professional biometric technology with 360any angle identification, unlock quickly with 0.5s. No key or password are needed, fast and convenient. * Can store and recognize up to 20 fingerprints with high sensitivity. Unlock safely with 1000000 times service life. * Made of strong zinc alloy material, solid and durable for use with high precision. * Low battery consumption with USB charging port, offer up to 180-day service time after 2-hour charging. * Compact, lightweight and easy to install, widely used as security protection on cabinet, suitcase, bedside table, drawer, cupboard, glass door, etc.