Item Type: Fingerprint Padlock Material: Silicone + Metal Unlocking Method: For Tuya APP + Fingerprint Battery Type: Built-in 1PC 800mAh Lithium Battery Fingerprint Capacity: 20pcs Fingerprint Reading Speed: 0.5s Working Temperature: -10 to 45 Working Humidity: 40-90%RH USB Charging: 5V Micro USB smart fingerprint lock door lock interface Package List 1 x Fingerprint Padlock 1 x Manual 1Bluetooth Unlocking Method: When unlocking at close range, it can be unlocked only with Bluetooth without internet connection just in case, simple and convenient to use. 2APP Unlock: The heavy duty intelligent fingerprint padlock support for TUYA APP one click unlock, no matter where you are, you can unlock the lock at any time. 3Durable Structure: The lock body adopts a smooth design, electroplating process, and the waterproof silicone shell is more textured, wear resistant and anti oxidation. 4With LED Light: The fingerprint APP padlock makes use of advanced technology, the wake up button display with LED light, which looks more textured. 5USB Charging Design: Adopts USB charging method, if the padlock is closed and there is no power available, you can use the emergency socket to open the padlock.