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The SpectrAlert Advance SPCWK is a white, outdoor speaker for ceiling installation.

The SpectrAlert Advance SPSWK is a white, outdoor speaker strobe for wall installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.

The 2WTR-B is a 2-wire, photoelectric i3 smoke detector with thermal sensor and Form C relay.

L-Series, red, wall-mountable, chime that is unmarked.

OSI-R-SS, OSI-RA-SS Conventional Reflective Imaging Beam Smoke Detector

i3 Series Photoelectric Smoke Detectors

L-Series, red, ceiling-mountable, clear lens, speaker strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 115, 150, and 177 cd.

This unique and patented device has been helping stop false fire alarms around the world for more than 25 years, without restricting legitimate alarms.