Critical security applications: indoor and outdoor use; can store keys, car keys and access cards; large internal cavity can safely store multiple keys. Easy to install: Our key safe includes a wall-mounted installation kit that can be installed on any solid surface at the entrance of houses, garages, companies, classrooms, vacation houses, and apartments. It takes only four steps to set and reset the 4-digit combination. Don't forget your password, otherwise you will not be able to open the key safe. Durable material: Our key box with numeric code is made of high-strength zinc alloy solid steel, which is anti-saw, compressive and pry-resistant. The key safe has a removable rubber cover to prevent dust, rust, sun, rain and snow. For lifetime use, you don't need to change the key safe due to weather conditions. Large capacity: The wall-mounted key safe has a large internal space. Up to 6 keys can be stored.