Product Features Package : 5x Red + 5x Amber Oval 2.5" Side Marker/Clearance Lights Auto Side Lamps, For Trailer Truck Pickups. Size : 2.5" x 1.1" x 0.7"(65.8*27.9*17.6mm) and Hole to Hole Distance: 1.8"(46mm). Waterproof Material : All-weather molded plastic housing and durable lens will successfully prevent corrosion. Feature water-tight housing for better lighting and make wire connection safer, quite practical. Durable Design : Our side marker light comes with a good design with high-quality solid base and ultra brightness, providing long-lasting use and keeps you safe at night. High efficiency and low consumption. Easy To Install : 2 Wire Connection: Red/Yellow is Negative and Black is Positive. Application : Universal to most car trucks, trailers, horse trailers, travel trailers, boat trailers, RV, camper Pickups, trucks, SUV. Widely used : Can be used on any applications, left-right front-rear roof side; Can function as Side Marker Lights, Identification Lamps, Trailer Lights, etc.Package Included:5 x Red LED Marker Lights+5 x Amber LED Marker Lights+20 x Screws