No Key: No more keys to hide, lose, carry or forget, enjoy the freedom of keyless convenience.Easy to Install: Design your own hands with the unique programming code of the lock (DIY) and easily add or delete code on the keypad.Security: The keypad provides maximum security and simplifies your life. There is no risk of 'low battery', the combination can have at least 4 digits (not repeated), you can enter these digits in any order to unlock it.Applicable : Suitable for areas that need to be restricted but easy to use: office, workshop, storage room, storage room, document store, archive room.Perfect security: Excellent hard material, reinforced with a keypad lock for a safer and more flexible solution.Code lock door mechanical lock connected door connected outdoor gate door handleMultiple combinationCreate 3-7 non-repeating digits with no specific sequence to enter.Stay away from the high risk of 'low battery' with the environmental mechanical combo lock design.Press the 'C' button and go up the code. and uncoded cups whenever you want a new code.Flexible switchEasily switch from unlocked to auto-locked mode by sliding the toggle from the inside in a second .Freely available used in different places, such as office, pantry, bedroom, etc. Gsave time to lock the door or enter a password in unlocked mode when it is not necessary to close the door.Easy to installProduct size: 142*42*25(mm)Panel material: zinc alloyPassword length: 4 to 7 digitsMaterial of lock body: steel and zincApplicable door thickness: 30-60mm (can be thickened)ColorColor: silverApplicable type: interior and exterior doorFeatures: waterproof, no batteryInteraxis of the locking tongue: 60mm standard (70 optional)Notes: passwords are out of sequence, numbers cannot be repeated, and English instructions are availableQuantity shipped: 1 piece