The Philips Defibrillator Cabinet (Basic) is a white cabinet with audible siren alarm. The audible alarm will sound once the door has been opened to alert anyone in the vicinity that an emergency is taking place.  AEDs should always remain visible and in plain sight so that the public is able to access the AED at any time.  No visual alarm or connectivity to building's security system.   Dimensions: 16.5"x15"x6"