The SpectrAlert Advance SPCWK-R (replacement model) is a white, outdoor, ceiling-mount speaker. Offers mounting plate only – no back box included.
The 2WTA-B is a 2-wire, photoelectric i3 smoke detector with thermal sensor and built-in sounder.
The SD-651 is designed to meet the performance criteria designated by UL. Its sensing chambers are sealed against back pressure air flow, dirt, and insects.
The SpectrAlert Advance MP120K mounting plate is designed to use 120 VAC to power SpectrAlert Advance horns, strobes, horn frasl strobes, chimes and chime frasl strobes.
The SpectrAlert Advance LENS-B is blue lens used for any indoor or outdoor wall mount strobes.
If smoke is present in the beam’s path, the received signal is reduced by a level determined by the density of the smoke.