Bodine, LED Emergency Driver, LED Bulb Type, Input Voltage 120 to 277V AC, Number of Bulbs Supported 1, Bulb Watts 20 W, Max. Bulb Watts 20 W, Initial Lumens 2,800 lm, 90 min Emergency Illumination Time, CA Title 20 Compliant Yes, 15 5/16 in Length, 2 1/4 in Width, 1 3/16 in Height, Galvanized Steel Housing Material