The SpectrAlert Advance P4RK-R (replacement model) is a red, four-wire, outdoor horn strobe 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 SPRK-R (replacement model) is a red, outdoor, wall-mount speaker. Offers mounting plate only, no back box included.
The SpectrAlert Advance LENS-B is blue lens used for any indoor or outdoor wall mount strobes.
The SpectrAlert Advance SRK is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Includes back box.
The SpectrAlert Advance P2WHK-P is an unmarked, white, two-wire, outdoor horn strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor back box included.
