Partsam 3.8" 12V Thin Line Red Trailer Led Marker Clearance Lamp - Boat Trailer/Truck/Caravan --4 Diodes, Thin Line Sealed Red Rectangular Rectangle Led lights, Surface mounts on 3" centers 3.8" Bright Red 4 LED Marker/Clearance Light Marker Trailer light Supply 2 pcs of electronic lines without plug Side Marker/Identification light/Trailer Light etc. Can be used on any applications of 12V Vehicles Two-wire design includes both lead wire and ground wire for mounting to all surfaces Led Marker light,Auto side Lamps,clearance light,identification light,Trailer Light etc.