Feature: 1. 0.5 Seconds Unlock: One touch, 0.5 seconds unlock, convenient and quick to let your hand change the key in seconds and unlock quickly. 2. Stainless Steel Lock Beam: High toughness stainless steel lock beam, intelligent and reliable, caring guard, compact structure, easy to carry, can be put into the bag anytime, anywhere without delaying work. 3. 10 Fingerprints: Store up to 10 fingerprints, solve problems such as forgetting keys, password leakage, etc., and realize your own opening method. 4. Insufficient Battery: When the unlock is successful, the red lights will indicate that the battery is insufficient, please charge it in time, and it can still be opened 200 times. 5. IP54 Waterproof: IP54 waterproof grade, effective waterproof and dustproof, suitable for outdoor use, used in lockers, backpacks, luggage, private storage boxes, etc. Specification: Item Type: Fingerprint Padlock Material: Zinc Alloy, Stainless Steel Size: Approx. 76 x 46 x 13mm / 3.0 x 1.8 x 0.5in Diameter of Locking Beam: Approx. Φ5mm / 0.2in Fingerprint Head Shape: Squared Fingerprint Capacity: up to 10 LED Light: Three Color Light Red, Blue, Green Battery: 3.7V Lithium Battery 200mAhx1 (Built in) Working Voltage: 3.0-4.2V Charging, Emergency: USB Interface MICRO Low Battery Alarm: the Red Light Flashes for 6 Seconds After Unlocking, and the Lock Can Be Unlocked Up to 200 Times After the Alarm Emergency Unlocking: Morse Password Standby Time: Half a Year Working Temperature: Minus10 to +50℃ Waterproof Grade: IP54 Battery: 200mAh Lithium Battery x1(Built in) Uses: Used in Lockers, Backpacks, Suitcases, Individual Storage Boxes, Etc. . Package List: 1 x Padlock1 x USB1 x User Manual Note: Do not place the product in an environment that is too corrosive, humid or hot!