Pack of FOUR (4), LED 37mm Festoon Lamp Bulb 10-30V DC 3 x 5050 LED Festoon, 37mm, 3-SMD5050 LED, natural white,10-18V DC This 37mm Festoon LED features 3 SMD LED's, and puts out the same light as a 5W halogen. Great for replacing 37mm (1-7/16") festoons in overhead domelights, courtesy lights and certain flush stern lamps Replaces all 5-10W SV8.5 T11 type lamps. Also replaces 38mm and 39mm types, Replaces DE3424, 6486, T11 types Dimensions: 37mm x 10mm x 10mm Color: Neutral White 4500K, 50 Lumens