The lock at; code does not need to use the key to open the door, which brings you more convenience. Suitable for office doors, interior doors, rental doors, composite doors or any place where the keys do not fit! The mechanical lock The push button is made of high quality zinc alloy, strong, precise, safe and durable, waterproof and not easy to break. break, long life. In addition, it has a modern, concise and beautiful appearance. You can set a password from 4 to 100%. 7 digits for this mechanical code lock. There is only one set of passwords and numbers cannot be repeated. The C button is the reset button, when the password is wrong, press the C button then enter the correct password. You can set other keys separately. except for the C key as a password. Mechanical door lock, absolutely no batteries or power source required. With screw kit and English manual, easy to operate. install, suitable for Suitable for interior and exterior doors, suitable for doors with a thickness of 1.2 to 1.2 cm. 2.4 inches (30 to 60 mm). Enjoy the convenience of and tranquility Mindfulness of keyless entry and exit. No risk of "low battery", terrible programming or random alarms, more reassuring. Feature: 1. Keyless mechanical door lock with keypad password, made of high quality zinc alloy, durable and safer. 2. Users can set a password from 4 to 10. 7 digits, no key is required for unlocking. There is only one set of passwords and the numbers cannot be repeated. 3. Button C is the reset button. When the password is entered incorrectly, press the C button first, then enter the correct password. Other keys, at except for the key C, can be set as a password. 4. Sensitive, easy-to-use password keys to use. Delivered With screw pack and English manual, convenient to use. install. 5. Suitable for office doors, interior doors, rental doors, composite doors or any place where keys do not fit. Specification: Condition: 100% Brand New Item Type: Smart Door Lock Panel Material: Zinc Alloy Color: As the picture Password Length: 4" 7 digits Applicable door thickness: approx. 30-60 mm / 1.2-2.4 inch Applicable type: interior and exterior doors Features: waterproof, no battery required Center distance Bolt Size: Standard 60mm / 2.4 inch Package List: 1 x Front Panel 1 x Rear Panel 1 x Accessory Pack installation 1 x lock box 1 x lock 2 x rubber pads 1 x 2.4 inch lock bolts 1 x statement