1. [Safe Storage] The key box can be used to store small items such as room keys, car keys, access cards, and bank cards. If you don't want to carry your keys with you when taking a walk or doing sports, then the password key box is the best choice for safe storage, and you don't have to worry about losing your keys. 2. [High - quality Materials] The key box is made of high - strength zinc alloy, which is rust - proof, anti - fall, anti - cut, anti - pressure, and anti - theft. The sliding cover can protect the digital password from bad weather and is suitable for both indoor and outdoor use. 3. [Four - digit Password Combination] The password box has a four - digit password, and you can customize a new password. There are approximately 10,000 password combinations, so you don't have to worry about others easily cracking it. The initial password is 0000. After setting a new password, please remember it so that you won't forget the password and be unable to open the key safe. 4. [Easy Installation] The password lock is installed on the wall. All accessories are fixed by drilling. It comes with 4 screws and 4 nylon expansion screws, which can be easily fixed on any stable and flat surface. 5. [Outdoor Key Storage] The key box provides a safe way to share keys. Whether you are at work or on vacation, you can share the password so that your family members, guardians, and nannies can access the items in the safe. Easily solve the key problem.