Morris Products 73170 Emergency Lighting Unit with Remote Capacity, 6 Volts, 100W Two 7.2W 6 VDC adjustable-angle incandescent lamps 6 VDC maintenance-free lead battery provides 8 hours of emergency operating time using 2 lamps, 4 hours using 4 lamps, 2 hours using 9 lamps, or 1.5 hours using 12 lamps Plastic enclosure suitable for indoor locations Can connect up to ten additional lamps for greater illumination UL listed for quality assurance