Partsam Blue Led 4" 12V Boat Trailer Utility Strip Light Led Marker Clearance Lamp 6LED This listing features for (1) Blue led utility strip bar Led marker Lights 6 Leds , 4inch , 12V , Blue Color 100% Waterproof Design--you can use it almost anywhere Surface Mount Design---Easy Installation Great For Lighting/ Decoration on interior or exterior of the 12V Vehicles