High security and durability: Outdoor key box is made of high-strength and rust-proof aluminum alloy, which makes it strong enough to resist rust and corrosion. In addition, it can withstand hammer blows, saws and prying. The key safe has a sliding rubber cover that protects the combination button from the weather. It is waterproof, snowproof and dustproof and has a long service life. Ideal capacity combination box: The wall mounted key cabinet has been upgraded with a secure storage space 12.5*9.5cmto hold up to 5 house keys or 3 large keys, or to store small car keys, credit cards, cards ID and other small items. [4-digit free combination: The key box with code is a combination lock with 4 dials, you can set your own access code and change it regularly, it can provide 10,000 personalized combinations, no need to worry about someone breaking your code. The included hinged lid allows for one-handed operation. Easy sharing of your keys: When you are at work or on vacation, ask someone else to enter a code to access a spare key or access card to allow your family, caregiver, real estate agent or a babysitter to access the key box is a safer solution than hiding your keys. Easy Setup: The keychain box has pre-drilled holes in the back of the safe, as well as 4 screws and 4 expansion plugs, so it is easy to install on walls and any solid surface without any power supply. electric. Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.