The SpectrAlert Advance P4WK is a white, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
The DOM4-24 offers all the functions of an alarm and evacuation system in a 19" module. It has interfaces to all input/output modules, manages and monitors the loudspeaker, and operates 6 zones.