Three-Sided 9 LED FestoonThis High Power 9-LED Festoon bulb have a built in Buck Regulator and has a wider light output angle, Available in multiple lighting colors with red being a great choice for navigation stations or general nighttime boating, , High Powered, Available in 42mm (1, 65"") / 43mm, Wide 270 Viewing Angle, Super Bright, Up to 50,000 Hours, 10V-30VDC, Equivalent to 15W incandescent , Product : LUNASEA WHITE LED BULB 42MM FESTOON 10-30V DC, Manufacturer : LUNASEA LIGHTING, Manufacturer Part No : LLB-189W-21-00, UPC : 894953001821 SKU: CW48720