Extreme running time and USB Type-C chargingBig Fingerprint padlock with battery indicator, low power consumption and long standby. The rechargeable lithium battery can support 6 months of standby time and can be unlocked more than 2000 times. When the battery is dead, the smart lock will remain locked, just plug in USB power or charge it with a portable power bank.
Quality GuaranteeIf you have any questions, please feel free to contact us, we will provide 24 hour survice! If you will refund the item please reset and delete adminiter fingerprint, because there is no other way to open the lock except you.