Smart Holiday Gifts : Say goodbye to cumbersome password combinations. You can unlock smart padlock with your finger only for a split second. Dont worrying about losing key or forgetting password. Fingerprint padlock can register up to 100 sets of fingerprints. You can also authorize and share lock with your family/friend to use it. Long Run Time: Smart padlocks have lower power consumption and longer standby time. The USB rechargeable 150MAH lithium battery can support up to 6-month of standby time or 2-month (2500 times of unlock) in one charge. When out of battery, the smart lock will remain locked, simply connect to a USB power supply and recover. Rugged Construction: The padlock beam is made of stainless steel for excellent tamper resistance. IP65 weatherproof protects against dust and water. Kindly attention: The padlock is not recommended for extended outdoor use in rain or snow. Bluetooth Function: Connect smart padlock to free mobile app by Bluetooth. You can use the app to register fingerprints, unlock, set authorized user, check the last 1000 unlock activities, etc. Lightweight, Portable Wide Uses: Gym lock Compact size to be carried anywhere you go. Fingerprint Bluetooth padlock is suitable for both indoor and temporary outdoor use in gym, school, office, door, gate, fence, garage, warehouse, cabinet, shed, suitcase, handbag, luggage, bike, etc. Not intended for outdoor use in rain or snow.