Fire Lite P2R Horn/Strobe, 12/24 Volt, Red, Multi-Candela 15,15/75, 30, 75,110,115 cd Go to amazon.com Related posts Top 10 best fire alarm horn strobe: Which is the best one in 2024? FeatureSystem Sensor P2R DescriptionRed, two-wire horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd