Take This Light With You When You Travel - You Never Know When You'll Need It. This Light's Six Functions Are Stop Light, Tail Light, Turn Signal, Rear Side Marker Light, Rear Reflector And Rear Side Reflector. It Will Provide Adequate Light For Emergency Situtations. Diameter Of The Light Is About 4" And Overall 4 1/2" X 4 1/2". Depth Is About 3". May Require Wiring To The Power Source Of The Car And Is Not Grounded.These lights are ideal for boat and PWC trailers less than 80" wide.

* A versatile trailer light with 6 different functions-tail light, brake light

* Turn signal, rear reflector, side read reflector, rear side marker light

* High visibility red- this unit weighs only 8.6 ounces-made with lightweight plastic casing

* This light is easy to mount to your trailer-hardware is built in

You will need one of these light for each side of your trailer-great replacement light