Use the YA MI key to secure the key. The key safe is specially designed for the safe storage of keys, which is the best solution when you need to fix the key in a safe place. Up to 3 keys can be stored. There are more than 10000 possibilities in this 10 digit button key, Make it harder to guess a combination of code that can set and change the requirements you need. This wall mounted key security solution is useful for storing spare keys and preventing lock outs from being suitable for cleaning or maintenance services after childrens access to school and home health care, Emergency access, vacation, forget a key, visit from relatives or friends, etc. through this code package, you can access your key. Dimensions (in):(internal dimensions 2.8in x 1.6in x 1in)