Fingerprint Padlock with Keys: Your finger is the key, no need to worry about losing keys, anti-theft, and uncopyable keys. Fingerprint supports 2 administrators and 13 normal users, unlocking in 0.5 seconds. Remote Unlock Authorization: Add general users on the app or share temporary passwords at once, remotely authorize your family/friends/colleagues to unlock, supports 20 general users, records unlock time, unlock method, and user name. Extreme Runtime and USB Charging Function: Smart padlock with battery indicator, low power consumption, and long standby time. The rechargeable lithium battery can support 6 months of standby time and can be unlocked more than 2000 times. When the battery is low, the smart lock remains locked, simply plug in a USB power source or charge it with a portable power bank. Heavy Duty Padlock: Giant padlock with a 0.6 cm stainless steel shackle, (5.5+4) x 5.7 x 2 cm, for superior cut resistance to protect your warehouse or home from thieves. Contents: 1 Smart Padlock 2 Keys 1 Charging Cable