1、High Fingerprint Recognition Rate: The fingerprint recognition rate is as high as 98 percent. It only takes one second to open the door. You can add 120 groups of fingerprints to eliminate the trouble of forgetting to bring your keys when you go out. 2、Shareable Unlock Method: You can use your mobile phone to unlock, or you can set a temporary password and share it with your friends, visitors or housekeepers. 3、Tempered Glass Panel: The panel of the door lock is made of tempered glass, with waterproof and antifouling functions, which can make the door lock as new as ever. This material feels good and can be quickly identified. 4、Hidden Key Unlocking: This is a door lock with 4 unlocking methods. There is no need to worry about forgetting the password or the battery is dead. When the battery is dead, the key can be used to unlock. 5、Anti Theft: This lock is protected by a high strength zinc alloy panel to effectively prevent violent prying. This lock is very suitable for families, hotels, schools and garages. Item Type: Smart door lock Material: Zinc alloy, stainless steel, glass Weight: Approx. 1095g/38.6oz Battery Parameters: 4 AAA batteries(Excluded) Unlocking Method: APP, fingerprint, password, key Application APP: For TTLOCKFingerprint Capacity: 120 Emergency Power Supply: USB power supply Applicable Door Thickness: 30-60mm/1.2-2.4in Applicable Door Type: Wooden door, interior door, security door 1 x Lock Body 8 x Screw 2 x Key 1 x Hex Wrench 6 x Accessory 1 x Locking Tongue 1 x Buckle Plate 1 x Plastic Box 1 x Instructions