1. Smart Holiday Gift!: Say goodbye to cumbersome password combinations. You can unlock smart padlock with your finger only for a split second. Don??t worrying about losing key or forgetting password. Fingerprint padlock can register up to 100 sets of fingerprints. You can also authorize and share the lock to your family/friend to use 2. 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. 3. 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. 4. Lightweight, Portable & Wide Uses: Gym lock Compact size to be carried anywhere you go. Fingerprint Bluetooth padlock is suitable both indoor and outdoor for gym, school, office, door, gate, fence, garage, warehouse, cabinet, shed, suitcase, handbag, luggage, bike, etc.