механический цифровой код неисправностей цифровой код клавиатуры пароль входной дверной замок ручки robbolt

wear-free keypad material, no clues left for thieves, higher security. does not lock automatically (this is a pro or con depending on your needs) 100% mechanical stainless steel 304, excellent hard material deadbolt lock, you can use pass code or key to lock it , or both,the thief very difficultly pries open it. design for diy,no risk of low battery,combination can be 4-8 digits no repeat with tumblers provided,over 8,000 options.