The Master Lock No. 5422D portable push button lock box features a metal body for durability. The shackle design offers over the door mounting for convenience. Set your own 4 character combination for keyless convenience and increased security. The protective weather cover prevents freezing and jamming; and molded bumper and vinyl coated shackle prevent scratching.
Large internal cavity and removable key hook prevent jams
Push-button locking mechanism with familiar telephone keypad format
Set your own combination of 12 letters, numbers or combination of both
Large buttons - easy to use even in low-light conditions