The SpectrAlert Advance SPSCWHK is a white, outdoor speaker strobe for ceiling installations with selectable strobe settings of 135, 150, 177 and 185 cd.
The SpectrAlert Advance SRK-P is an unmarked, red, wall-mount outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.