System Sensor P2WHK Horn Strobe, White, Wall Mount, Two-Wire, FIRE Lettering, Outdoor, High Candela

The System Sensor P2WHK is a white, wall-mounted, two-wire horn strobe designed for outdoor fire alarm notification applications. Part of the SpectrAlert Advance series, it combines an audible horn with a high-candela visual strobe in a weatherproof housing. The device supports selectable high-candela settings of 135, 150, 177, and 185 cd, with a 1 flash-per-second strobe rate. It operates from regulated 12 VDC/FWR or 24 VDC/FWR systems and includes a universal mounting plate for simplified installation. The P2WHK is weatherproof to NEMA 4X and IP56 standards and is rated for operation from -40°F to 151°F. It is UL 1638 listed for the strobe and UL 464 listed for the horn.