Electronic Password Cabinet Lock File Cabinet Message Box Changing Cabinet Storage Cabinet Lock Gym Room Password Lock Features: Good qualityMade of plastic material, sturdy and stand wear and tear, water proofing , and wear. Beautiful : design is beautiful and elegant, and the full screen has high sensitivity, high reliability, Easy to use, strong interference ability and high secure. Easy to install: Equipped with necessary installation accessories, easy to install. Password unlock: You can set a lock using a combination of 1 to 16 digits. dialing setting is 1-2-3-4. Perfect for toolboxes, cabinets, drawers, mailboxes, school lockers, or anywhere a key won't . Scramble PIN: Introducing technology and fake PIN feature that allows you to enter any before or after your real password to anyone from seeing your real password. Maximum 16 digits. If the password is entered incorrectly 4 times, it will be automatically activated and unlocked for a minute. Product Description: Type: 20mm/30mm (optional) 20mm type: suitable for steel cabinets with a thickness of 0.5mm to 1.5mm. 30mm type: suitable for wooden cabinets with a thickness of 16mm to 20mm. Power supply: 3V CR2032 button battery Material: ABS+metal Installation hole: 18*16.2mm