Specification Brand : tomvorks BulletPoint1 : [Versatile Usage] Ideal for various settings including schools, spas, gyms, hotels, and more, providing a security solution. BulletPoint2 : [ Design] Compact and exquisite design with precise workmanship adds a modern touch to any environment. BulletPoint3 : [Management Control] Default home mode with a management password ensures secure access with indicator lights for status notification. BulletPoint4 : [Keyless Entry] Touch keypad password lock eliminates the need for keys, providing convenience and ease of use. BulletPoint5 : [sturdy Material] Made of strong and sturdy abs material for long-lasting security. ItemName : Touch Keypad Password Key Access Lock Digital Security Locker for Home Office School (Installation size L=30) ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : access-control-keypads Manufacturer : Tomvorks ModelName : Tomvorks2hegwsq791-02 ModelNumber : Tomvorks2hegwsq791-02 PartNumber : Tomvorks2hegwsq791-02 ProductDescription : Specification: Material: ABS Maximum installation thickness: L = 20mm, L = 30mm (Optional) Battery: 3V (CR2032) (Not included) Size: 95 x 65 x 15 mm / 3.74 x 2.56 x 0.60 inch (appr.) Package List: 1 x Code Security Lock 2 x Screws 1 x Hex nut 1 x Spring Bolt 1 x Fixed 1 x Manual Instructions: Enable public mode 1. Enter the correct management password ****+OK key, the buzzer di... a long beep, the unlocking light is always on. 2. Press the OK button again for more than 2 seconds, the lock flashes, press the OK button again. 3. Enter the numbers 4, 4 and press the OK button, di .. a long beep.