The sealed red LED trailer stop/turn/taillight has 10 super diodes for bright, dependable performance. Features sonically sealed, waterproof lens and housing in a single unit. All-weather molded plastic housing and durable lens protect against corrosion. Accepts industry standard 3-prong plug for easy retrofit of incandescent lights. Trailer light comes with grommet and plug. Measures 6-7/16"W x 2-5/16"H x 1-3/4"D.