Key safe application: for indoor and outdoor use; can store keys, car keys, and access cards; the large internal cavity allows for secure storage of multiple keys. Easy installation: Our key safe includes a wall mounting kit and can be mounted on any solid surface in homes, garages, businesses, classrooms, vacation homes, and apartment entrances. 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 combination lock is made of high-strength zinc alloy and solid steel, and is resistant to sawing, crushing, and prying. Key safes have a removable rubber cover that protects against dust, rust, sunlight, rain, and snow. Lasts a lifetime, so you won't have to replace your key safe due to weather conditions. Large Capacity: The wall-mounted key safe has a large interior. It can store up to 6 keys.