1、Smart card recognition belongs to bank‑level security, which is only effective if authorized first, and information will not be easily stolen. You can swap the left and right handles, which can provide you with better service. 2、Can be unlocked with one hand, the semiconductor fingerprint head has a high recognition rate and anti‑copying, and the optical fingerprint unlocking technology has higher security. 3、There are up to 24 virtual passwords, including 6‑11 correct passwords can open the door to prevent others from prying, and the security is very strong to assure your safety. 4、Support for TUYA, if there is no one at home, you can use the APP to remotely generate the sending key with one key, and it is very convenient for friends to come home needless to wait. 5、Including many unlocking methods: mechanical key, fingerprint unlocking, card identification, password opening, and remote temporary password, which can meet your needs well. 6、A wide range of application scenarios: can be used in offices, dormitories, apartments, and homes. You can use this smart lock in many situations. Item Type: Digital Door Lock Material: Aluminum Alloy Colour: Rose Gold Usage: Office, Dormitory, Apartment, Family Battery: 4 x AA Battery(Without Battery) Number of Administrators: 9 Adapted Door Body: Wooden Door Fingerprint Capacity: ≤50 Card Capacity: ≤100 Password Capacity: ≤100 Password Length: 6-8 Digits Virtual Password: 16 Digits Unlocking Method: IC Card, Password, Fingerprint, Key, Remote Temporary Password Working Temperature: -10-60℃ Suitable for Doors with a Thickness of 3.5-7cm 1 x Mortise Lock 1 x Concave-Convex Board 1 x Buckle Box 2 x IC Card 2 x Key 2 x Square Tube 1 x Door Inner Lock Body 1 x Outer Door Lock Body 1 x Spring (Already installed inside) 4 x Screw 2 x Screw 2 x Nut Tube 1 x Manual 1 x Size Comparison Chart