.83 in, For Use With 200 Class 70mm Stacklight(TM), Includes Gasket Tower Light Series 270BC, Voltage 240V AC, Tower Light Color Amber, Diameter 70 mm, NEMA Rating Not Rated, Lighting Technology LED, 110 +/-20 Flashes per Minute, Lamp Life 100,000 hr LED, 2000 hr Incandescent, Housing Material Polycarbonate, Lens Design EZ Twist and Lock Dome, Lens Material Polycarbonate, Operating Temp.