Cabin Bright 1383 LEDSP-55 Spotlight Bulb (1383 LED 12 volt AC/DC (5500 Degree K)) Exactly the same shape and dimensions of the incandescent bulb you are replacing Brighter than the 1383 incandescent bulb Draws only .15 amps, a 90% energy savings AC/DC bulb so polarity does not matter Available in either 3200 degree, 4100 degree, or 5500 Degree K, and it's dimmable