Specifications Material: Carbon Steel External Size (L*W*H): 14.17'x11.81'x17.72'/36x30x45 cm Internal Size (L*W*H): 10'x10'x16.54'/25.4x25.4x42 cm Door Thickness: 0.12'/3 mm Box Body Thickness: 0.05'/1.2 mm Color:Black Box & Silver Grey Pannel Item Weight: 26.24 lbs/11.9 kg Power Supply:4 x AA 1.5V Batteries Package Content 1 x Drop Safe 2 x Keys 4 x Expansion Screws 1 x Manual