Wall-mountable AED PROTECTIVE CABINETS, from STI, keep AED units free of dust and dirt, plus they discourage vandalism via a thumb lock. Polycarbonate construction with back plate in three different styles: No Alarm, Stop Sign Alarm, or Siren/Strobe Alarm. Alarm models offer 15, 30, 60 seconds, or continuous activation too. Wire shelves are also standard. 12 1/4"L x 14 1/4"H x 6 1/2"D.