Superior Brightness & Visibility: Our square led trailer light kit festures high transmittance LED beads(left22+right16) to safguard your driving safety. Boat trailer lights adopts a side reflective design and the left side light has a built-in license plate light to provide more professional vehicle lighting Waterproof & Durable Trailer Running Lights: Our enclosed trailer lights are made of premium resistant materials to prevent corrosion and wear, allowing it to work in outdoor conditions for a long time. The screwless design effectively prevents moisture from damaging the LED and circuit board DOT Standard: Utility trailer lights is made of superior corrision resistant material. Trailer wiring harness kit is application for most towing vehicles such as boat trailer truck RV snowmobile tractor lorry van etc All-in-one Trailer Lights and Wiring Kit: This trailer lights led kit including 1X square left led trailer tail lights with license plate light, 1X right stop turn tail light, 6x trailer side marker lights(2red+4amber), 1X trailer brake light bar, 1X trailer wiring harness, also included plastic license plate bracket, gaskets, fasteners,screws,wiring caps,refective strips and instructions mannual Trailer Led Light Kit Wiring Tips: Square trailer lights: white wire for ground, yellow/green for high brightness, brown for low brightness/license plate light. 9LED trailer light bar: White for ground, black for low brightness tail light, red for high brightness brake light. Side marker light: white is negative for ground, black is positive Products and accessories are as follows: 1: 2 square and round lights, (12V, IP68, the red light is long and low when driving, and the red light is high when braking; There are 12 high-brightness LED beads on the front, and 6 high-brightness LED beads on the driver’s taillight with license plate light. The driver's and passenger's taillights have 4 bright LED lights and reflective surfaces on the sides); 2: 1 9LED iron bar light, (12V, IP68, red light is long and low when driving, red light is high when braking); 3: A total of 6 diamond-shaped lights, 2 red and 4 yellow, (12V, IP68, red light and yellow light are both 2 high-brightness LED beads); 4: 1 T-shaped bracket, (for installing the license plate on the driver’s taillight); 5: 4 reflective strips; 6: 1 set of copper core wires with male and female ends, (length 5 meters, 18AWG); 7: 6 wiring caps; 8: 6 blue clips; 9: 6 iron clips; 10: 2 gaskets; 11: 2 self-tapping screws; 12: 12 special screws for rhombus lamps; 13: One product installation manual;