Partsam 12V Clear Lens Red LED Submersible Trailer Tail Light Kit for Under 80 Inch Boat Trailer RV Marine, Submersible Trailer Light Kit Square Waterproof 12V for Boat Heavy Duty Led Trailer Lights 5-1/16" long x 4-9/16" tall x 2-3/4" deep; Trailer kit with 2 stud mount waterproof LED tail lights; corrosion-resistant license-plate bracket; 25' wiring harness; stainless steel mounting hardware; 2-stud mount on 2" centers 2 Clear/Red, waterproof, stud-mounted LED tail lights for trailers less than 80", Driver's-side light includes license illuminator For this Red submersible LED trailer light kit, Right light has 16 LEDs (12 face, 4 side); Left/streetside light has 21 LEDs (12 face, 4 side, 5 bottom) Left side: White Wire is the Ground; White+ Yellow, front side works and is high brightness; White+ Brown, THREE sides work, front side is low brightness; Right side: White Wire is the Ground; White+ Green, front side works and is high brightness; White+Brown, TWO sides work, front side is low brightness Square trailer light serves 7 functions: Stop light, Turn signal light, Tail light. Rear reflex reflector, Side marker light, Side reflex reflector, License plate illuminator(only for LH Side/Driver Side) It all started in the summer of 2013 with a simple, with bold idea: make better auto parts. In other words, not just a better auto parts - a better way of doing things. A new kind of auto company that works hand in hand with users to do something amazing, something meaningful. Now PARTSam has grown tremendously to become one of the leading platforms of e-Commerce in the aftermarket auto parts industry. Inventory Management/Warehouse &amp; Fulfillment  With our warehouse located in Milpitas, California, we take care of the inventory management for our products. This saves manufacturers space, time, and headache. Automated Multi-Channel Sales  We successfully advertise our products on multiple platforms and maintain top-rated healthy seller accounts, which keep customers drawn to our products. We are continually expanding our customer base as we add more sales channels. Professional Seller - Customers will deal directly with us in regards to issues and concerns they experience with the products. Manufacturers will not have to deal directly with the individual customers, but will experience the benefits of their business, which is the typical win-win cooperation. Universal for Trucks,trailers,tractors,semi-trailer,Dump Truck,bus,boat,special vehicle,etc. For Heavy Duty trucks like Kenworth Peterbilt Freightliner Western Star Volvo International Mack Paccar and other Truck lights Applications: For any 12V Vehicles, Any applications on vehicles, esp. truck trailer RVs etc.