Flush-mount impact-resistant access cover are impervious to hammering, sawing or prying. Heavy-duty steel locking mechanism with a zinc alloy cast body. Confidently place the keys in our resettable 4 digit combination key lock box. Easy To Install:Comes with instructions and mounting kit. All necessary mounting hardware are included: 4 screws and 4 nylon expansion screws. [Quick Installation] 1.Open the box, there will be 4 holes in the back of the box. 2.Hold the box to the wall and mark position of holes with a pencil. 3.Drill holes. 4.Place plastic expansion screws into the wall. 5.Place box against wall then screw in the provided screws. [Note]After the password is reset, it is best to take a photo to save otherwise no method to open it if forget the password. ?There is an "U" spring inside key lock box which is helpful for unlocking. Be careful that it may fall out. Product description 4 Digit Combination Key Wall Mounted Key Lock Box,Safe Storage Zinc Alloy Lock Box with Slide Cover for Home Garage School House Spare Keys - Black Features: Suitable for outdoor use.Your key safe has a weatherproof, sliding shutter cover to protect the combination dials from other weather damages.Prevent lock-outs and available for family, friends, employees, AirBnB renters. Specifications: Product Size: 13.3 x 92 x 49cm (external dimensions) 11.1 x 8 x 2-4cm (internal size) Product material: panel-aluminum alloy, bottom plate-steel + TPE How to set Key Lock Box ACCESS AUTHORITY - Only to people you trust. When you or a loved one needs access, the process couldnt be easier. 4 digit combination, there are more than 10,000 possibilities, making it even more difficult to guess a combination. Recommended shared personnelholiday tenants, servants, family doctors, nannies, craftsmen, children etc. HOW TO SET A PASSWORD 1. Dial to default code 0000 press down the black button beside the wheels to open the box. 2. Push the reset pole to "B" 3. Dial a password that you want to set. (recommend to set a 0001 first prevent operation error) 4. Push the reset pole BACK to "A" (IMPORTANT!) 5. Finished! Take a photo to save your password. Package Included: 1 x 4 Digit Combination Key Wall Mounted Key Lock Box