1、Wide Range of Application: Smart fingerprint lock is suitable for 60/70 single tongue lock body, which is easy to install and use in more households. 2、Multiple Unlocking Methods: Smart lock supports fingerprint and APP Bluetooth to open the door, which meets the unlocking needs in different scenarios. 3、Intelligent Technology: Fingerprint lock supports for Tuya intelligent technology for remote control and management of your home door. 4、Safe and Reliable: The door fingerprint lock uses high accuracy fingerprint recognition technology to ensure a high grade of security and accuracy. 5、Premium Material: Smart lock with APP control is made of high grade wooden lock body, which is strong and durable, providing you with a long lasting use experience. Item Type: Smart Lock Material: Aluminum alloy + ABS Power Supply: DC Battery: AAA battery x4 (without battery delivery) Applicable Door Thickness: Approx. 35-60mm/1.4-2.4in Applicable Lock Body: Single tongue 60/70 Bluetooth: With Bluetooth function Function: 360 ° accurate fingerprint recognition, one key unlock, with a reminder breathing light 2 x Lock Handles 1 x Key Cylinder 2 x Keys 4 x Screws 1 x Spacer 2 x Long Screws 5 x Other Accessories 1 x Instruction Manual