TWO INSTALLATION OPTIONS: You can wall mount the key lock box, fix it to any solid surface indoor or outdoor as you need. Door key safe box with removable shackle allows you hang it anywhere easily including doorknob, fence, railing, pipe without screwing nor drilling. With all mounting hardware included and pre-drilled holes. HIGH SECURITY: Heavy duty zinc alloy and steel offers extra resistance to cutting, hammering and sawing. Resettable 4 digit lock box key safe allows setting your own combo code with 10000 unique options. Confidently secure and share spare keys to your loved and trusted ones when at work or on vocation and never nerve to lock yourself out. EASY OPERATION: Four steps only to set and reset the 4-digit combination as many times as you need. Instructions are always included. Please note that NEVER forget your password, or there is no way to use or reset the key locker. It is suggested to take a picture or write down to record after setting a new code. CAPACITY: The padlock lock box comes with an internal space holding up to 5 keys. You can also alter to store credit cards, USB drives and so on. [NOTE] [NOTE] This is a key box for home keys, remote control car keys WILL NOT fit. CONSIDERATE DESIGN: Rubber coated hook and at the back of the padlock key safe with hook to prevent scratching; sliding shutter door to hide as well as protect the dials from dust, rain, snow and ice; when used outdoors the key lock box outdoor in a sheltered area. The key boxes wall mounted comes with ONE-YEAR warranty. Buy with confidence!