The [Fingerprint Padlock] is suitable for children and the elderly, your finger is the key that prevents thieves from breaking the code. You don't have to worry about the thief losing the key or knowing the code because he can't get your finger. Please note that skin contact can open the lock in factory mode, please enter the administrator fingerprint according to the installation video before using. [Bluetooth function and remote unlock]: Connect the smart lock to a free mobile phone app via Bluetooth. You can use the app to register fingerprints, unlock the lock, set up authorized users, view the last 1000 unlocking activities, etc. [The lock uses a fingerprint recognition chip advanced for quick unlocking in 0.5 seconds and can capture 2 administrators for a total of 19 fingerprints, making it easy e. 150MAH USB rechargeable lithium battery can support 6 months standby time and can be fully charged in 1 hour to unlock the lock more than 9000 times. Safety lock for lockers and computers Portable:- The fingerprint lock is made of zinc alloy, the lock body and the lock core are made of zinc alloy, high-strength steel wire, seamless connection, shock-proof. thieves, dust and corrosion, the gym lock is your best choice to protect your private property from theft, the fingerprint lock is compact and classic, only 90g, 75* 46.6*13MM. [Wide range of applications] Easy to carry, wide range of applications. Suitable for indoors and outdoors, gym lockers, for luggage, golf bags, handbags, school lockers, furniture, cabinets, bicycles and other items you wish to protect.