If smoke is present in the beam’s path, the received signal is reduced by a level determined by the density of the smoke.
L-Series, red, wall-mountable, clear lens, 2-wire, compact footprint that fits in a single gang box, strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
OSI-R-SS, OSI-RA-SS Conventional Reflective Imaging Beam Smoke Detector
The SpectrAlert® Advance MHR is the red, 12/24-volt mini-horn used where a smaller notification device is desired.
Notifier FST-851 Series intelligent plug-in smoke detectors with integral communication provide features that surpass conventional detectors.
L-Series, white, wall-mountable, clear lens, 2-wire, horn strobe that is unmarked. Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
The SpectrAlert Advance LENS-BC is blue lens used for any indoor or outdoor ceiling mount strobes.