Signal construct msog series 4 chip led festoon lamps acdc signal construct msog113944 a 04w 24v blue led festoon lamp with dimensions of 11 x 39mm this 4 chip panel indicator features bright leds and an integrated rectifier allowing it to work at both ac and dc the lamp has low current consumption and a long life making it suitable as a replacement for an incandescent lamp in a wide range of applications signal construct msog113944 24vacdc 04w 4 chip led festoon bulb blue