[High Security]: Compared with 3 digit locker, our storage box for keys with 4 digit code provides 10,000 combinations, more safety and reliable. [Large Capacity]: Compact design, small size, takes up less space, and is more convenient to use, equipped with large internal space to store up to 5 keys + 1 card. (External dimensions: 115x95x40mm, Internal dimensions: 90x63x30mm) [Suitable for Outdoor & Indoor Use]: Key storage equip with slide cover, weatherproof rust-resistant steel. [Easy to Use & Stall]: Resettable key safe box allows to set your unique password for convenience and security. Comes with instructions and mounting kit, easy to install. Wide range of applications: Use the key cabinet that allows you or others to access the key at any time, which is perfectly suitable for daily activities, friends, family, household services, emergency entry, pet sitters and real estate businesses, etc.