The Combination Key Safe Box is a secure, reliable key storage with four-digit combination. It is weather resistant box. Set your own 4-digit combination for key less convenience and increased security. The shutter door protects combination dials from weather, dirt and grime; and molded body and vinyl coated shackle prevent scratching. To open the key box: 1.Slider shutter board to reveal the dials. 2.Rotate dials to the current combination (factory combination is set 0-0-0-0). 3.Push down button 1 near the dials, the cover is open. 4.After closing the cover, upset the dials the to protect your combination. 5.Close the shutter board. To set your combination: 1.Open the key box, leave dials at current combination (factory combination is set 0-0-0-0). 2.Push the RESET button from position A to position B, as shown in Pic. 2. 3.Now rotate dials to set your desired combination, as in Pic. 1 4.Push the RESET button back to position A. Now the new combination is set. 5.Close the shutter board. Important notes: 1.Keep the shutter board closed for water resistance. 2.It is recommended the dials are rotated weekly to keep them work well.