The SpectrAlert Advance SPSRK-R (replacement model) is a red, outdoor speaker strobe for wall installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounting plate only - no back box included.
The SpectrAlert Advance SPSCWK-R (replacement model) is a white, outdoor speaker strobe for ceiling installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Offers mounti