The round trailer light can function as a side marker or clearance light; LED lights are excellent substitutes for incandescent bulbs.
Partsam (10 x Red) Trailer Truck LED Sealed 2" Round Clearance Side Marker Light w/Grommet/Pigtails, Red Lens, Reflex Lens
Universally fit any Vehicles with DC 12V Such as Semi Truck & Trailer, Service Truck, Bus, Service Van, Utility Truck, Parade Float, Horse Trailer, Utility Trailer, Pick Up Truck, UTE, UTV
2-WIRE CONNECTION: Black is the negative and red is the positive. Dimensions: Outer Diameter: 2.5"in., Inner Diameter: 2"in., High Diameter: 0.78in.(W/ Grommet); Recessed mount with included black grommet, Installation requires a 2-5/16" hole at desired location and Includes industry-standard 2- prong plug with pigtail;
12 Volt; Flush Mount; 4LED; Kit includes grommets and pigtails for complete installation; Sonically sealed, waterproof housing and lens unit is submersible