Special Feature Rechargeable, Fingerprint, Waterproof, Phone APP, Keyless, Low Power Consumption, Efficient User Group ManagementRechargeable, Fingerprint, Waterproof, Phone APP, Keyless, Low Power Consumption, Management effective user group Lock Type Biometric Item dimensions L x W x H 7.5 x 2.5 x 10.9 centimeters Material Stainless steel Recommended uses for the product Locker Style Gold, vintage, classic Color Gold Number of pieces 1, 2 Components included Gym padlock with effective user group management, USB cable, User manual (French not guaranteed) Gym padlock with effective user group management, USB cable, User manual See less About this item Remote unlock authorization: authorize remotely your family/friends/colleagues to unlock, support 1 admin app and more than 500 general users, admin can authorize unlock period and schedule and view unlock record with unlock time , unlock method and username. Fingerprint Unlock: Your finger is your key, quick unlock in 1 second, registers up to 20 different fingerprints, including 2 admin fingerprints, weatherproof, easy to use. No reset button, only admin can reset or manage fingerprints. Small size and weatherproof: This mini fingerprint padlock with 0.4cm diameter stainless steel locking shackle, suitable for gun holsters; (4.3 + 2.1) x 4.2 x 1.6 cm, 0.074 kg, 1.7 cm inside shackle, 2 cm width, for superior cut resistance. Weatherproof, protects against dust and water. Extreme Runtime & USB Charging: The smart padlock is equipped with low power consumption and long standby time. 110mAh rechargeable lithium battery can support 6 months standby time and can be unlocked more than 2000 times. When the battery is low, it shows red light, just plug in USB power supply or charge it with power bank.