The key hiding solutions from ABUS™ can be fixed on gates, doors, handles, or railings as well as wall-mounted so you no longer have to hide your keys under a doormat or in the garden under a rock. This key safe protects your keys and code cards by utilizing a 4 digit code with over 10,000 different code possibilities that can be changed quickly and easily. This product is a great choice for house sitters, children coming home from school, or even frequently changing groups of personnel at a business.