EMERGENCY LIGHT; LAMP TYPE: TUBULAR NUMBER OF LAMPS: 2; CHARGING DURATION: 90 MIN ELECTRICAL VOLTAGE: 120 / 277 VAC; ELECTRICAL OUTPUT VOLTAGE: 6.3 VDC POWER: 1 W; EMERGENCY APPLIANCE TYPE: OVERLAY DIMENSIONS: 10-1/2" LONG X 3-1/4" WIDTH SEALED NICD RECHARGEABLE BATTERY; IP20