Morris Products 73176 Emergency Lighting Unit with Remote Capacity, 12 Volts, 50W Two 9W 12 VDC adjustable-angle incandescent lamps 12 VDC maintenance-free lead battery provides 4 hours of emergency operating time using 2 lamps, 2 hours using 3 lamps, or 1.5 hours using 5 lamps Plastic enclosure suitable for indoor locations Can connect up to three additional lamps for greater illumination UL listed for quality assurance