Partsam Universal 4 Red & 4 Amber Rectangle Side Marker Clearance Lamp w/Snap-on lens 6leds, 4x2 marker lights, Rectangular LED Trailer Clearance and Side Marker Light with Reflex Reflector RV Camper Partsam (4Red+4Amber) 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. 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.