Stuy Material: allows our lock box protec your key from being damaged by hammer, saw, drill and so on.< />the Instruction guide takes your through steps to re-set your access code at any time.< />Easy to install: Install with pre-drilled holes is super easy.< />Large secure storage: Outer dimensions: 114mm long, 94mm wide, 40mm thick, can holds up to 5 keys< />< />Colour: Black,Gray< />Material: Aluminum alloy< />Instructions for use:< />1.Pull the weather co down to reveal the dials.< />2.Rotate dials to the current combination< />3.Pull the door fully open and add or remove the keys.< />4.Close the door, realign the combination dials to lock the door and conceal your combination.< />5.Close the weather co.< />Inner Size: Approx.90*62*30mm< />note:< />1.Keep the weather co closed to increase weather resistance.< />2.We do not recommend use the combination such as "A-A-A-A" which is easy to crack.< />3.It is recommended the dials are rotated weekly to keep them moving freely.< />< />Package Conten:< />1 x Key Storage Box< />4 x screws< />4 x Eansion tube< />1 x User Manual(English)< />< />Only the above package content, other produc are not included.< />Note: Light ing and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.