4" Round Sealed LED Parking, Turn Signal Light by Optronics, Inc.
Sealed, flange mount amber stop, turn or tail light. 10 super diodes for bright, dependable performance. Features sonically sealed, waterproof lens and housing in a single unit. Accepts industry standard 3-prong plug for easy retrofit of incandescent lights. Requires plug for complete installation.

STL-42AB 4" Round Sealed LED Parking, Turn Signal Light - 10 diode 0.310V/0.046A by Optronics, Inc.