The SpectrAlert Advance LENS-BC is blue lens used for any indoor or outdoor ceiling mount strobes.
L-Series, white, wall-mountable, clear lens, speaker strobe that is umarked. Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
The SpectrAlert Advance SRK-R (replacement model) is a red, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
L-Series, red, wall-mountable, clear lens, speaker strobe that is unmarked. Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
The SpectrAlert Advance P2RK is a red, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
The SpectrAlert Advance P2WK-P is an unmarked, white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.