2-1/2" Beehive Sealed LED Marker, Clearance Light by Optronics, Inc.
Beehive-style LED light functions as clearance, side marker, or rear tracking light. Features sonically sealed, waterproof lens and housing in a single unit. Accepts industry standard 2-prong plug for easy retrofit of incandescent lights.

MCL-23RB 2-1/2" Beehive Sealed LED Marker, Clearance Light - Red - 8 Diode, 0.051A/12.8V by Optronics, Inc.