PowerLED™ Gibraltar Design LED Ceiling Light (ILIM10501) by Imtra®. Voltage: 10-30VDC. Power: 6W. LED Color: Warm White. With Switch. Finish: Electrophoretic Aluminum. The Gibraltar surface-mount dome light is an attractive and durable dome light fixture that may be used for general interior illumination or for exterior helm and cockpit illumination. Its stylish, highly polished stainless steel bezel with solid frosted glass makes this fixture a real style point on any vessel large or small.