1 Multiple Unlock Methods: You can not only unlock the door with your fingerprint, card, key or the code you set, but also can open the door for tuya APP, very smart and convenient. 2 Secure Fingerprint Identification: Using semiconductor technology and biological characteristics, the same fingerprint is avoided, and security is guaranteed, and the fingerprint capacity is 40 pieces. 3 Automatic Lock: Ergonomically designed, it can be easily unlocked by fingerprint within 1 second. It automatically locks for you, keeping you and your family safe at all times. 4 Long Service Life: No more worry about pollution or wasting money. Powered by 4 AA batteries(NOT INCLUDED), it can be used for half of a year . 5 Easy Installation: Made of aluminum alloy material, sturdy and dependable quality. Comes with a bag of screws and a 50x50mm/1.97in lock body (22x160mm/0.79x6.3in) to hold doors 40-60mm thick.Item Type: Smart Door Lock
Panel Material: Aluminum alloy
Colour: Black
Battery: AA x 4 (not included)
Fingerprint Capacity: 40 pieces
Password Capacity: 40 groups
Password Length: 6-8 digits
Door Opening Direction: Left and right inside and outside
Installation Door Thickness: Suitable for doors with a door thickness of 40-60mm/1.58-2.36in

What's in the box
1 x Front Panel, 1 x Rear Panel, 1 x Lock Body, 1 x Plastic Case, 1 x Aluminum Shell, 2 x Card, 2 x Keys, 1 x Spring, 1 x Iron Block, 2 x Screw, 2 x Bolts, 4 x Small Screw, 1 x User Manual