1. Keyless mechanical door lock with password keyboard, made of high‑quality zinc alloy, and safer. 2. Users can set a 4‑7 digits password, no key is required to unlock. There is only one set of pas , and the numbers cannot be repeated. 3. The C button is the reset button. When the password is entered incorrectly, please press the C button first, and then enter the correct password. Other keys except C key can be set as password. 4. Sensitive password keys, easy to operate. Comes with screw pack and English manual, convenient to install. 5. Suitable for office doors, interior doors, rental doors, composite doors or any place where keys are not suitable. Specification: Condition: Brand New Item Type: Smart Door Lock Panel Material: Zinc Alloy Color: As picture shown Password Length: 4-7 Digits Applicable Door Thickness: Approx. 30-60mm/1.2-2.4in Applicable Type: Indoor and Outdoor Doors Features: Waterproof, No Battery Required Center Distance: Standard 60mm/2.4in Package List: 1 x Front Panel 1 x Rear Panel 1 x Installation Accessory Pack 1 x Lock Box 1 x Lock Catch 2 x Rubber Pad 1 x 2.4in Lock 1 x Instruction