This is an actual sprinkler system head which has been converted into a key hider diversion safe. Blends so well into your yard or garden that no one would ever think that you had a spare key hidden inside. You will never have to worry about being locked out again and only you and your family members will know the secret location where the key is hidden. The sprinkler head measures 4 inches x 2 inches x 2 inches. The secret compartment measures 3 inches x 1 1/2 inches x 1 1/2 inches. Please note that this item is not a functional sprinkler head. Packaged on color insert card that is hangable.