Usage Tips:Wall-Mounted Key Box--- Large capacity enough to store key rings, car keys, cash or other small items. With this secure outdoor key box, you'll never have to worry about your keys being stolen from hidden under the carpet. Maximum Security --- The rustproof combination key box is made of Strong PVC, aluminum alloy and durable steel locking mechanism, which provides extra strength for the box to withstand hammering or drilling. The weatherproof cover protects the box from wind, rain, snow and dust. 12 CODE CASE--- The coded key case provides sturdy protection with multiple 12-digit combinations, offering up to tens of thousands of different combinations, far exceeding standard models. 4 digits, more difficult to decipher, you can easily redefine the combination of your choice at any time. (NOTE: Take a photo/write it down to save your code). Easy to Install--- The waterproof outdoor key safe comes with 4 screws. Make sure the combination key box can be mounted on any sturdy surface. A box can be drilled into the wall for a little extra money with no hassle or extra work required. WIDE APPLICATION--- This is a valuable key safe for outside, suitable for indoor and outdoor use, suitable for storing keys, cards and jewelry. For easy access, friends, family and neighbors can retrieve a spare key from the secure key safe while you're away.