Partsam 4X 2.5 Clear/White LED Lamp 2 Diode Trailer Truck Side Marker Lights, Sealed 2.5" Mini Rectangular Rectangle White LED Marker Lights Running Board Lights Trucks Clear Lens Partsam (4 x White) Clear Lens 12v DC Side Marker trailer Light Mini-Sealed LED Surface mount design These are universal.Generally people use them as clearance, side marker or identification light. It can also be used as aux backup reverse light etc. Brightness: 80 lumen each light with 2 pcs High Quality LED Diodes; Universal fits for 12V vehicles like Pickups Truck Trailers SUV van Caravan Camper Motorhome Boat Lorry Bus etc. Easy to install with Free end wire ( Black is Positive: White is Negative/ground ); the wires come out of the back of the light; Two-wire design includes both lead wire and ground wire for mounting to all surfaces; 64mm x 26mm x 18mm (2.54" x 1.01" x 0.7");the center to center dimension between the screw holes: 46mm (1.8") 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.