The SpectrAlert Advance SCRK is a red, ceiling-mount, outdoor strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
The SpectrAlert Advance PC2RK is a red, two-wire, ceiling-mount, 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 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.
L-Series, red, wall-mountable, clear lens, 2-wire, compact footprint that fits in a single gang box, horn strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
L-Series, red, ceiling-mountable, clear lens, strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 115, 150, and 177 cd.