4" Round Sealed LED Stop, Turn or Tail Light by Optronics, Inc.
Flush mount red stop, turn and tail light. Meets DOT FMVSS 108 requirements in any 360 degree position. 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. Requires mounting grommet and plug for complete installation.

STL-53RB 4" Round Sealed LED Stop, Turn or Tail Light - 24 Diodes 0.360V/0.030A by Optronics, Inc.