Signal construct msoe series 2 chip led festoon lamps acdc signal construct msoe083172 a 12v 025w festoon lamp that is oslash8 x 31mm and has a bright ultra green led and integrated bridge rectification that makes acdc operation possible the lamp has low current consumption and a long lifetime making it suitable for use as a replacement lamp for standard incandescent types signal construct msoe083172 12v 025w 2 chip led festoon bulb ultra green 8x31mm