Feature:1. Keyless mechanical door lock with password keyboard, made of highquality zinc alloy, durable and safer.2. Users can set a 47 digits password, no key is required to unlock. There is only one set of passwords, 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 NewItem Type: Smart Door LockPanel Material: Zinc AlloyColor: As picture shownPassword Length: 4-7 DigitsApplicable Door Thickness: Approx. 30-60mm/1.2-2.4inApplicable Type: Indoor and Outdoor DoorsFeatures: Waterproof, No Battery RequiredBolts Center Distance: Standard 60mm/2.4in.Package List:1 x Front Panel1 x Rear Panel1 x Installation Accessory Pack1 x Lock Box1 x Lock Catch2 x Rubber Pad1 x 2.4in Lock Bolts 1 x Instruction