42mm Festoon LEDNavigation Bulb with dimple base from NauticLED with internal 10-35VDC stabilizing driver, 6000K CCT. Features NauticLED Item Number:BS43-AS12-CW Bulb base: Festoon barrel 43 mm Color: 6000K (cool white) Specifications Energy used: 1.2 Watt Equivalent to: 10 Watt (halogen) Brightness: 120 ansi lumen Light angle: 360 Input voltage: 10-30VDC, internal regulated Dimensions: 13×43 mm