STI Stopper II Pull Station Protective Covers

System Sensor’s 800 series detectors are 2-wire conventional profile plug-in detectors aimed to meet the performance criteria designated by UL.

The SpectrAlert Advance series offers the most versatile and easy-to-use line of low frequency sounder and low frequency sounder strobes in the industry.

The SpectrAlert Advance HRK-R (replacement model) is a red, 12/24-volt horn for outdoor ceiling or wall installation. Offers mounting plate only - no back box included.

System Sensor selectable output horns, strobes, and horn strobes are rich with features guaranteed to reduce installation times and maximize profits.

L-Series, red, wall-mountable, clear lens, 2-wire, horn strobe marked "FUEGO". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.

SpectrAlert Advance SCWK is a white, outdoor ceiling-mount strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.