This 12v led trailer lights kit includes 2Pcs square rear combination tail lights, 6Pcs Mini Oval side fender marker lights (2Red+4Amber), 1Pc 15.5 Inch Trailer 3rd brake identification tail light bar, 25ft wiring harness with 4-flat plug(long enough to reach end of trailer), license plate bracket, mounting hardware. This trailer led light kit has everything you need to upgrade your trailers at once; | This boat trailer lights led submersible kit has multi functions: stop light, brake light, turn signal light, tail light, running light, rear reflex reflector, side marker light, side clearance lights, side reflex reflector, license plate illuminator, clearance Light, third 3rd brake light bar; | Wiring Tips: white wire is ground, yellow wire is high brightness for brake Light and brown is low brightness as Running Light/Left License Plate illuminator(Square tail Lights); white is ground, red is high Brightness for brake/stop/turn light, black is low brightness as running Light(15.5" led trailer light bar); white is ground andblack is positive(mini side marker lights); | Brightness: Square LED trailer light has 15 Diodes (12 Red+3 Red) as stop, turn, tail, side marker, side reflex, and rear reflex functions and on left side Built-in license plate light(3 white led) illuminates license plate; 15" LED trailer tail light bar with 11 LEDs provides stop, tail, and turn functions and surface mounts to trailer; 2.5" Rectangular LED mini trailer light has 2 led diodes each to provides marker/clearance lights; | Submersible and Waterproof: The led trailer wiring lights kit is completely sealed, which means no water can enter inside to damage the circuit board. If you have any questions or issues about our trailer tail lights led kit, please feel free to us and we will reply in 24 hours;