Low-cost, door alarm with piezo horn that sounds to warn of unauthorized use of a door;Fits into a standard 4x4 double switch/outlet box for both surface and flush installations;Mortise cylinder required with standard Yale cam for Inside Key Control;Alarm can only be silenced by proper control key;Modern graphics on cover to demonstrate key rotation and operation

• Detex Flush Mounted AC/DC Powered Door Alarm

Detex Flush Mounted AC/DC Powered Door AlarmDetex Corporation