General description No more keys to hide, lose, carry, or forget—enjoy the freedom of keyless convenience with the Pink Zinc Alloy Code Door Lock. This retro-style mechanical code lock is designed for various applications, including garages, hotels, offices, studios, warehouses, and more. It offers maximum security while simplifying your life. Technical specifications Material: Zinc Alloy Combination: 4-7 non-repeating digits Keypad: Mechanical Installation Easy to install with a unique programming code (DIY) Add or delete codes easily on the keypad Usage Suitable for restricted areas such as offices, workshops, storage rooms, and document archives Flexible switch to easily toggle between unlocked and auto-locked modes Press the "C" button to reset the code whenever needed Other information No risk of "low battery" with mechanical design Perfect for families, visitors, and Airbnb property managers