1、Bluetooth 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. 2、APP 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. 3、Durable Structure: The lock body adopts a smooth design, electroplating process, and the waterproof silicone shell is more textured, wear resistant and anti oxidation. 4、With LED Light: The fingerprint APP padlock makes use of advanced technology, the wake up button display with LED light, which looks more textured. 5、USB 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. 1 x Fingerprint Padlock1 x Manual Item Type: Fingerprint PadlockMaterial: Silicone + MetalUnlocking Method: For Tuya APP + FingerprintBattery Type: Built-in 1PC 800mAh Lithium BatteryFingerprint Capacity: 20pcsFingerprint Reading Speed: ≤ 0.5sWorking Temperature: -10 to 45℃Working Humidity: 40-90%RHUSB Charging: 5V Micro USB smart fingerprint lock door lock interface