Description: External-120x85x35mm Internal-90x65x27mm Weight: Approx.0.55kg Lock: 4 digit combination lock Color:Grey Black Material: Aluminum alloy Package included: - 1x Wall Mount Key Safe Storage Box Security Lock - 1x Pack of Fixing Screws - 1x Instruction Caution: When fitting the key safe,ensure that there are no hiddencables,cable conduits or pipes below the surface before drilling into a wall. The factory preset combination is 0-0-0-0. Keep the shutter door closed to increase weather resistance. We do not recommend use the combination such as "A-A-A-A" which is easy to crack. It is recommended the dials are rotated weekly to keep them moving freely. Proceed as follow to fit the key safe: 1. Mark holes on the wall using the holes in the rear of the key as a template. 2. Drill the holes using the hammer Drill and Drill bit. 3. Insert wall plugs into holes if necessary. 4. Fit the key safe to the wall using the screws supplied. Opening the key safe for the first time and setting the combination.