[WIDE APPLICATIONS] - This is a great combination key case for storing keys and bank cards etc. It can be installed in your home, office, warehouse, vacation home or anywhere you need it.You can share spare keys with friends, family, neighbors and caregivers. With this lockable outdoor key safe, you don't have to worry about keys hiding under the carpet. [HIGH SECURITY] - Our wall mounted key safe is made of high quality aluminum alloy body and durable steel locking mechanism, providing extra resistance to hacking, hammering or drilling for boxes with external keys. Weather-resistant metal material protects your keys and cards. [Reliable 4-Bit Combination] - Use 4-bit Combination for strong protection. The 4-digit password safe offers up to 10,000 different password combinations, much harder to crack than the template 3 digits. Easily redefine the desired combination at any time to protect your valuables. (Note: take a picture/write it down to save your code!) [MINI SIZE AND EASY TO USE]: Equipped with a palm-sized key safe, which can store multiple keys, ideal for daily business, friends, family, on-call service. home, pet sitting, real estate business, etc Airbnb rentals, etc. [Easy to install] - . Installation can be done in 4 simple steps: bypass the screws drill the holes insert the expansion anchors install the case with the screws. You can give this external combination key box as a gift to parents living alone or renting children for their convenience.