The SpectrAlert Advance SRHK-P is an unmarked, red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Outdoor 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.
With 4 independent amplifier channels (100 V), the 4XD125B is compatible with the Variodyn D1 system and controlled by its DOM4-8 or DOM4-24. The NF inputs and control inputs are connected to the DOM