Features: Secure combination code locking safe box for your keys. 4-digit combination lock to ensure security. Offer 10000 combinations. Wall mountable designed, easy to install. Enables access for the selected few. It has large internal space, you can put more than 3 keys inside, it also depends on the key size. Easy and convenient to fit with the supplied fixings. Strong zinc alloy body resists hammering and sawing. Rust free, suitable for outdoor use. Ideal for storing keys and other small tools securely. Specification: Model Number: MH902 Material: Aluminum Alloy + Zinc Alloy Color: Black, Grey, Red, Yellow, Green, Orange, Blue (Optional) Internal Space Size: 90*65*35mm/3.54*2.55*1.37in Item Size: 115*90*40mm/4.52*3.54*1.57in Item Weight: 470g/16.57oz Package Size: 13*10*5cm/5.11*3.93*1.96in Package Weight: 570g/20.1oz Package List: 1* Key Storage Lock Box 1* Installation Kit 1* User Manual