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. SpectrAlert Advance offers the broadest line of outdoor horns,
strobes, and horn strobes in the industry. With white or red plastic
housings, wall or ceiling mounting options, and plain or FIRE-printed
devices, SpectrAlert Advance can meet virtually any application
requirement, including indoor, outdoor, wet, and dry applications in
temperatures from ?40°F to 151°F.