4 Flush mount red stop/turn/tail light w/ clear lens. Accepts industry standard 3-prong plug for easy retrofit of incandescent lights. Meets DOT FMVSS 108 requirements in any 360 degree position. 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. Comes With mounting grommet and plug for complete installation. Kit includes4 STL53RCB 4″ LED Light,4 A45GB grommet, 4 A47PB plug and 4 4″ brackets bk45bb (Black powder coated steel bracket for horizontal or vertical mounting of 4″ round lights) .