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If your trailer sees the water, this 3-3/8" x 1-1/4" x 2-3/8" light stands up to it. The gray housing and clear lens are sonically sealed into a single waterproof unit, making it fully submersible. That means no leaks, no corrosion, and no shorted circuits even after repeated launches or wet road trips. It’s built to keep shining when other lights give out.
When it’s time to replace an old or broken license plate light, this one keeps things easy. It uses a standard ear-mount base with holes spaced 2-3/4" center to center, so it matches many existing setups without drilling new holes. The surface-mount design keeps installation quick and straightforward—just connect it with an industry standard 2-prong plug.
This light uses a single incandescent bulb that delivers steady, bright white illumination for your plate. The power draw is only 0.2 amps at 12.8V, giving you reliable light without putting stress on your wiring. The bulb sits behind a tough polycarbonate lens and gray housing that resist impacts and UV wear for long service life.
No complicated wiring needed here. This light accepts an industry standard 2-prong plug (sold separately), making it simple to connect or swap out if ever replaced. It’s a practical setup for anyone who wants a clean install that’s easy to maintain later on.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we are looking at the Optronics Sealed Ear Mounted Trailer License Plate Light, part number LP97CB. This is a sealed waterproofed housing and lens unit. Heavy duty long life bulb, and surface mounts on 2 3/4 inch centers from the ear mounted base. It accepts industry standard 2 prong plug for many wiring options. Lets go ahead and add a power supply so that we can show you what the light looks like when it's lit up.
Now we'll turn the lights off so you can see what it looks like when it's dark. And there you have it for Optronics Sealed Ear Mounted Trailer License Plate Light, part number LP97CB.
Ratings & Reviews

Alan R.
10/5/2016
The light works and looks great.

Chris S.
1/2/2018
Working great. No problems

Ken
5/12/2024
Still working great!!!
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Ken P.
8/13/2015
Product was exactly what I was looking for and was the exact replacement for the damaged one on my trailer. Very pleased with the light and the service.