Bodine, Emergency Lighting Inverter, 120/277V AC Input Voltage, 120/277V AC Output Voltage, Max. Bulb Watts 25 W, Bulb Watts 25 W, LED, Fluorescent, Incandescent Bulb Type, Nickel-Cadmium Battery Type, Emergency Illumination Time 90 min, CA Title 20 Compliant No, On Top or Beside Fixture, or Remote (up to 250 ft away) Mounting, 2 7/8 in Height, 16 5/8 in Length, 2 13/16 in Width, Standard Profile, Galvanized Steel Housing Material