Select who can access your property, Children after school, cleaning service, elder care, repair service or pet sitter. The Master Lock 5406D compact key safe holds 2-3 house or car keys. It has an easy to set and reset combination lock so you can select a 3 digit combination of your choice. This unit has a solid die cast body that is reinforced to withstand hammering and sawing. The molded cover protects the combination dials from weather, dirt and grime. The vinyl coated shackle and rubber pad protect property from scratches. Portable, over the door knob mount for convenience.