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Backing up in the dark doesn’t have to be stressful. This round GloLight LED backup light shines with 326.4 lumens from 21 white diodes, giving you a strong, clean beam that helps you see what’s behind you. It’s DOT certified for backup light function in a 2-lamp system when used as a pair, so visibility isn’t just better—it’s compliant too. At 12.8 volts, it pulls only 0.425 amps, giving you bright light with minimal power draw.
Water intrusion can ruin a light fast, but this one is built to handle it. The housing and clear lens are sonically sealed into a single waterproof unit that keeps out moisture and debris. Whether you’re on wet roads or launching a trailer into the water, the sealed design protects the LEDs and circuit board from corrosion so the light keeps working like new.
If you want function and style together, the GloLight design delivers both. The brighter outer ring gives a smooth, uniform glow that looks clean and modern compared to traditional LEDs. It’s an easy way to upgrade your trailer lighting while keeping a polished look day or night.
Installation stays straightforward with this recessed-mount light. It fits a 4-1/2" diameter hole using a grommet (sold separately) and connects with an industry-standard 2-prong plug (sold separately). The round 4-1/4" diameter housing tucks in neatly for a flush look that won’t snag gear or wiring.
Forget about replacing burned-out bulbs or cracked housings. The polycarbonate lens and housing resist impact, while the LEDs last up to 50 times longer than incandescent lights—no filaments to break, no bulbs to replace. It’s backed by a lifetime warranty on the LEDs, so you can count on long-term reliability wherever you tow or haul.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we're going to be taking a look at the Optronics Glow Light LED Round Backup Light. This is designed for trailers and utility trucks. It is certified for the backup light function in a two lamp system. When a pair of lights is installed, your second light would be sold separately. The unit's going to feature a sonically sealed waterproof housing and lens unit, so this is submersible. The glow light series is going to feature a brighter outer ring of light, which a smooth appearance. It's going to contain 21 LEDs or 21 diodes.
It looks like we have 6 right here in the center, and the we're going to have 15 that make up that outer band. LEDs are great replacement for incandescent light. They're going to last much longer. They're going to burn brighter, and they're much more efficient. You don't have to worry about replacing bulbs and you don't have to worry about brill filaments. The unit's going to feature a poly carbonate lens and housing.
It's going to have white LEDs with a clear lens. This is designed to be a recessed mount with a mounting grommet. Your grommet is sold separately if you're in need of one. You can find them here at eTrailer.com, and it's going to accept a plug here for the back. Your plugs are sold separately as well. If you're in need of one of those, you can find those here at eTrailer.com also.
On the back it does have a three pin connection, but since this is a backup light, it only needs a ground and power connection. It only requires a two-prong plug. Optronics is going to put the three pin connector on most of their lights, even though it may only require a two-prong plug, so don't let that throw you off. As you'll see later, the two-prong plug will cover up all three connection points for a nice sealed connection. The unit is Department of Transportation compliant. It meets FMVSS108 requirements.
Taking a look at some dimensions real quick, starting with the diameter. That's going to give us a measure of 4 and one quarter of an inch. If we take a measurement of the depth, including the plug at the back, that's going to give a measurement of right around . Looks to be about 2 and three sixteenths of an inch. Just this portion right here, that's going to measure about 11 sixteenths of an inch in depth. Again, it's going to contain 21 LEDs or 21 diodes. The power draw is going to be 0.425 amps at 12.8 volts, and Optronics is going to put a life time warranty on the LEDs. We're going to go and hook it up to our external power source, that way you can see what it looks like with power running to it. Here's our two-prong plug. It goes into these ports right here. You push it down and it's going to seal up all three connection points. You can see here that the light sends out a really nice, strong, consistent signal. Again, we're going to have those center lights, and we're going to have that outer band. The multi-diode design is really going to help optimize our light output, and the unit is very bright. This is designed to be a backup light for trailers and utility trucks, and again, it is certified for the backup light function in a two lamp system when a pair of lights is installed. That's going to do it for today's look at the Optronics Glow light LED Backup Light.
Ratings & Reviews
Great Light! Put two on the back of a toyhauler for backing up.
You will need the grommet and pigtail to do it right.
I had to cut two oval holes for mounting in trailer frame. Take your time with the layout and get the right sized hole saw, makes installation pretty easy.
These back up lights are 2 - 3 times bigger than the lights that come stock on the Ranger trailer. More importantly, they are much brighter and make backing up the boat so much easier in the dark. I highly recommend these if you are looking to replace or upgrade your trailer lights. Etrailer is always great to work with. Highly recommend!!!
I will be putting them on my trailer tomorrow can't wait to see how they light up.
Great light!
super bright
Product worked as expected
Extremely fast shipping!
Thank you.
Ordered a few stop lights. The rep was very helpful. I received them the next day. Awesome!!
Easy to install, only problem USPS was slow getting them delivered.
Excellent service and attention to detail. I would highly recommend purchasing from etrailer. Prices are great and they have a wide selection of information that helps with the purchase decision. Very impressed.
Just arrived and installed. They are bright enough for what i needed. I wanted a bright but non blinding head light for a grizzly 660 so I wanted to try this since it is d.o.t. spec which means that it is safer than the types that leave the l.e.d.s clearly exposed ready to do the irreversible damage that many people are still today clueless about when it comes to blue or white units. Shipping was fast and good. Product is as as advertised.
I'm only giving you a little over a good mark. Service was great delivery was great.
But I'm sorry the lite is falling short of what I had hoped for. I expected a much brighter lite. with that many LED's on it..
I will say they are brighter then stock. but in dark location need as much lite can get.
Shipping was on time. Each light in own separate bag in box with tissue paper. Not just thrown in a box. Dielectric grease in each terminal. Light is insanely bright. Just what I wanted, hoping they last. Thanks Etrailer
Optronics is a high quality brand. I love being able to see clearly behind me. I've backed over and into things; if I'd been able to see better, most could have been prevented. The backup lights make outstanding makeshift work lights for hooking up a trailer at night or changing a friend's flat tire.
They look nice. When off the light matches the halo brake and tail light.
Do you have a question about this Trailer Light?
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Mike L.
10/6/2018
Because this lamp is a back-up lamp, its allowable brightness is limited by DOT regulations. A utility lamp like # BUL43CB would be brighter, but would not be DOT compliant if used as a back-up lamp.
Helpful Links
Trailer-Lights/Optronics/BUL43CB.html