10xRed Sealed Side Marker Light 4" Camper Trailer Parts Reflective 6LED Partsam (10 x Red) side marker LED clearance lights, each light with 6 LEDs inside; Snap-on, replaceable, durable lens. Function as clearance Lamps, side marker or identification light,Trailer Light etc. Universal for 12V vehicles like Pickups Truck Trailers SUV van Caravan and Boat Lorry Bus etc. Features sonically sealed, waterproof lens and housing in a single unit; Two-wire design includes both lead wire and ground wire for mounting to all surfaces. Light Size: 101mm x 49mm x 23mm (4'' x 2'' x 1''); Hole Distance: 75mm (3'') EASY TO INSTALL - 2 Wires Connection: White wire is Negative and Black is Positive.