This Masterlock 4-Digit Key Storage Unit is the ideal way to share access among several people without compromising security. Inside, there is space for up to 5 house or car keys. They are securely contained behind a 4-digit combination lock, so you can limit access to as few or as many people as you like. The stoarge unit is designed to be wall-mounted, and is constructed from sturdy zinc for protection from weather. A small shutter door protects the combination dials from dirt and grime. Secure key storage behind combination lock Holds up to 5 keys or swipe cards 4-digit combination lock for convenient security Cover to protect combination dials from moisture and dirt Wall-mounted for permanent installation (includes fixing kit) Aluminium cast body to resist against hammering or sawing Dimensions: H120xW83xD38mm Colour: Silver and Black