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Switching from old bulbs to LEDs makes a big difference in brightness and reliability. This round 4" Optronics LED trailer light uses 10 white diodes behind a red lens to give you clear brake, tail, and turn signals without the fragile filaments that burn out. It runs on 12V DC power and draws just 0.413 amps for stop/turn and 0.026 amps for tail mode, so you get strong light output with very little power use. The LEDs are built to last, backed by a lifetime warranty that lets you set it up once and forget about bulb changes down the road.
When your trailer sees wet roads or boat ramps, you don’t want moisture sneaking into your lights. This model is fully waterproof and submersible thanks to its sealed polycarbonate housing and lens. No need to worry about corrosion or shorts—the LEDs stay protected and keep shining even after repeated dunking. It’s a solid choice for anyone who wants dependable lighting in harsh or wet conditions.
No bulky mounts or extra brackets here. The recessed design with an integrated reflector flange gives a neat, finished look while also improving side visibility. It fits into a cutout opening and hardwires directly to your trailer using the included 3-wire pigtail harness—red for stop/turn, black for tail light, and white for ground. Hardware isn’t included, but the flange keeps installation straightforward and secure.
Built with a strong polycarbonate lens and housing, this light is made to handle bumps and vibration without cracking or fading. The built-in reflector meets DOT standards, so you’re covered for legal lighting requirements without needing separate reflectors. Measuring 5-3/4" overall diameter by 3/4" thick with a 4" light face, it’s compact but tough enough for everyday use on any trailer setup that needs reliable stop, tail, and turn lighting.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everyone, Steve here with etrailer.com. Let's take a look at our Optronics LED Light with Reflex Flange. It's a brake, turn, tail and it's submersible in a red color. Now, folks, again, this red brake, tail and turn signal light has a built-in reflector. I've got it actually lit up right now for daytime running lights. It is waterproof, great for boat trailers.
It's got white LEDs with red lens. As far as some dimensions, it's 4 7/8 on the actual light diameter itself before the flange comes out the side, and with the included flange, it's 5 3/4 inches diameter with a 3/4 inch thickness. Now, these are more efficient and durable than your incandescent bulbs. They're P2-rated. It is equally visible from the front and the side depending on how you're looking at it, especially with the lights on or off, and I'll demo that here in a second as well.
That's what the back looks like. You got three wires, red, white, and black, and it has a recessed mounting with the built-in flange there, and the rubber gasket is included. Now, you would need hardware to mount it with the three holes here, that is not included. It is compatible with 12 volt DC systems, and it is DOT-compliant. So, let's go ahead and turn off our overhead lights and get a better look.
So, that's your running lights, brake, and then obviously if you had it wired up for a tail or turn signal, that kind of thing. And like I said, it's equally visible from the side. And zooming out. So, again, it puts off a nice amount of light so you can easily see and be visible for safety. And turn on the overhead lights.
So, folks, again, lifetime warranty on the LEDs themselves, it's compatible with 12 volt DC systems. It has 10 diodes inside and on a stopped turn signal, the power draw at 12 volts is only 0.413 amps, and the tail signal is 0.026 amps. That's gonna wrap it up, folks. I'm Steven, thanks for watching and have a great day.
Ratings & Reviews
Ray
11/27/2017
perfect product
Sf
6/2/2020
A year later and things are still working great, I should have done this sooner!!
John K.
4/17/2022
Update after 12months of use: Product still working as well as they were from day 1, still highly recommended...
Sierra K.
12/15/2021
I am unsure if your trailer used Optronics Brand LED Puck lights, but one thing is for sure these lights have a lifetime warranty for LEDS!
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Jerry
5/29/2026
After a yr the lights are still performing as they should be