The SpectrAlert Advance SPSRHK is a red, outdoor speaker strobe for wall installations with selectable strobe settings of 135, 150, 177, 185 cd.
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.
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.
SpectrAlert Advance SCWHK is a white, outdoor ceiling-mount strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd.
The SpectrAlert Advance SPRK-R (replacement model) is a red, outdoor, wall-mount speaker. Offers mounting plate only, no back box included.
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.