The System Sensor SpectrAlert Advance SCRH is a red, ceiling-mount strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Strobe Flash Rate: 1 flash per second. Like the entire SpectrAlert Advance product line, horns, strobes, and horn strobes include a variety of features that increase their application versatility while simplifying installation.
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