Features: 1.Keyless Padlock: Your finger is the key, so you don't have to worry about the key being lost or stolen. After getting the lock please set the admin fingerprint, otherwise anyone can use any fingerprint to unlock. A spare key is available as an emergency opening option. 2.360 Fingerprint Recognition: Move your finger at multiple angles when inputting fingerprints, better recognize fingerprints when unlocking, and unlock faster. 3.USB Rechargeable: This smart fingerprint padlock has low power consumption and long standby time. It can be unlocked about 1500 times on a single charge. Remains locked when the battery is dead, just recharge with USB power (no more than 5V) to get back to work. 4.Zinc Alloy Material: The fingerprint lock body is made of integrated zinc alloy, which has excellent cutting resistance, dust and corrosion resistance, and waterproof. 5.Wide Application: This fingerprint lock is suitable for indoor and outdoor use, gym lockers, suitcases, handbags, school lockers, furniture, wardrobes, bikes, and other items you want to defend. specification:Item Type: Fingerprint Padlock Product Material: Zinc Alloy Battery: Li Ion Battery 352326 (Built in) Capacity: 180mAh Resolution: 508DPI Interface: Micro USB 5V 0.5A (Emergency, Charging) Key: Stroke Detection Key x 1 (Built in) Fingerprint Sensor: Semiconductor Fingerprint Sensing Technology Technology : Biometrics Recognition Time: Less Than 300ms ESD: +/-12kv Air, +/-8kv Contact FRR: Less Than 1% FAR: Less Than 0.002% Storage Capacity: 10 Sets of Fingerprints Technology : Biometrics Waterproof Grade: IP66 Continuous Standby: 1 Year PackageList: 1 xFingerprint Padlock 1 x Charging Cable 1 x Secret Key 2 x Manual