Rotating Warning Light, Color Blue, Lamp Type 100W Halogen, Flashes per Minute 75, Light Output 1800 Lumens, Lamp Life 1,000 hr, Lens Design Dome, Lens Material Polycarbonate, Housing Material Cast Steel, Mounting 3/4 in NPT Pipe, Rating Div 2 Hazardous Location NEMA 4X, Power Source 120V AC, Current Drawn 1A AC, Height 7 7/8 in