4W-B

L-Series, white, wall surface-mountable, back box.

System Sensor® SpectrAlert® Advance selectable-output horns, strobes and horn/strobes are rich with features guaranteed to cut installation times and maximize profits.

The SpectrAlert Advance SPSRHK is a red, outdoor speaker strobe for wall installations with selectable strobe settings of 135, 150, 177, 185 cd.

The 2151 low-profile photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible UL listed contro

The SpectrAlert Advance WTP is a red weatherproof mounting plate for flush mounting outdoor K series horns and horn strobes. Especially for use with SpectrAlert Advance replacement outdoor models

The NFS2-640 intelligent Fire Alarm Control Panel is part of the ONYX® Series of Fire Alarm Controls from NOTIFIER.