The Master Lock Portable Push Button Lock Box features a 3-1/8in (79mm) wide 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 while the molded bumper and vinyl coated shackle prevent scratching. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.

Features:
• Over the door knob design for portable installation
• Convenient push button locking mechanism in familiar alpha/numeric telephone keypad format
• Set your own combination using up to 12 letters, numbers, or both
• Large buttons for ease of use, even in low light conditions
• Large internal cavity and removable key hook prevents jamming
• Protective weather cover prevents freezing and jamming
• Molded body and vinyl coated shackle prevent scratching
• Internal Dimensions: 3-1/2in (89mm) H x 2-1/4in (57mm) W x 1in (25mm) D
• Best used for:
     o    Real estate access control
     o    Security gates and fences