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Miro-Flex LED Trailer Tail Light - 7 Function - Submersible - 20 Diodes - Square - Red - Driver
Optronics

Miro-Flex LED Trailer Tail Light - 7 Function - Submersible - 20 Diodes - Square - Red - Driver

Part Number: STL29RB
In Stock
$43.10
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5-1/4" x 5" Square. Waterproof trailer light acts as brake, tail, turn, side marker, side reflex reflector, rear reflex reflector, and license plate light. Mounts on surface of trailer. 3-Wire pigtail. Great Prices for the best trailer lights from Optronics. Miro-Flex LED Trailer Tail Light - 7 Function - Submersible - 20 Diodes - Square - Red - Driver part number STL29RB can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Optronics Trailer Lights - STL29RB

Highlights

  • One Light, 7 Functions: Works as stop, tail, turn, side marker, two reflectors, and license plate light.
  • Reliable in Any Weather: Sealed, waterproof design is submersible to keep moisture out.
  • Bright, Low-Power LEDs: 20 diodes deliver strong light output with minimal amp draw (0.174 A stop/turn).
  • Built to Last: SMT circuit board resists shock, vibration, and heat for long LED life.
  • Simple Surface Mount: Adjustable rear channels and included stainless hardware make install easy.
  • Road Legal: DOT compliant and meets FMVSS 108 standards in any 360° position.

Features to know about

Reliable Visibility in One Compact Design: 7-Function LED Tail Light

This 5-1/4" x 5" Miro-Flex LED trailer tail light packs seven key functions into one unit—stop, tail, turn, side marker, side reflex reflector, rear reflex reflector, and license plate light. With 20 diodes and a faceted reflector design, it gives off a clean, even glow that’s easy to see at night or in bad weather. The LEDs draw only 0.174 amps for stop and turn signals and 0.054 amps for the side marker at 12.8V, so you get bright light with very low power demand and no bulbs to replace.

Built to Handle Water and Weather: Fully Sealed, Submersible Construction

If your trailer ever sees rain or boat ramps, this light is ready for it. The sealed, waterproof housing keeps water out completely, protecting the circuit board and LEDs from corrosion or failure. You can count on it to stay bright even after repeated submersion or exposure to wet roads.

Smooth Mounting and Durable Build: Surface-Mount Design with Stainless Hardware

Installation is straightforward thanks to the surface-mount setup and sliding rear channels that let you fine-tune placement. Stainless steel mounting hardware is included for a secure fit that resists rust. The molded plastic housing and acrylic lenses hold up against vibration and impact from road use without cracking or loosening.

Modern Look That Lasts: Miro-Flex Reflector Design with Long-Life LEDs

The Miro-Flex faceted lens adds a crisp, modern appearance while boosting light output across the face of the lamp. Behind it, surface-mount LED technology keeps performance steady even under shock or heat. These LEDs last up to 50 times longer than old incandescent bulbs and come backed by a lifetime warranty on the diodes.

Compliant Performance You Can Trust: DOT and FMVSS 108 Certified

This Optronics light meets DOT and FMVSS 108 standards in any 360-degree position, so it’s fully road legal right out of the box. Reliable performance, efficient power use, and a durable sealed design make it a solid upgrade for anyone wanting brighter, longer-lasting trailer lighting.

Specs

Dimensions

  • Overall dimensions: 5-1/4" wide x 5" tall x 2-5/8" deep
  • Mounting hole dimensions (center to center): 2"

Technical diagram of Optronics Miro-Flex LED Trailer Tail Light showing square shape and labeled dimensions for width, height, and depth.

Electrical

  • Diodes: 20
  • Power draw at 12.8 volts (Stop/turn signal light): 0.174 amps
  • Power draw at 12.8 volts (Side marker light): 0.054 amps

Warranty

  • LEDs: Lifetime warranty

STL29RB Optronics Miro-Flex LED Trailer Taillight w/ License Plate Illuminator - Left Side - Red Lens

Alternate part number: STL-29RB





Customer Satisfaction Score:

Ratings & Reviews

4.7

66 reviews
Review sort icon
5-1/4" x 5" Square. Waterproof trailer light acts as brake, tail, turn, side marker, side reflex reflector, rear reflex reflector, and license plate light. Mounts on surface of trailer. 3-Wire pigtail.

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Great product, great value.



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Nice lights



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great company



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Works well



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great



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Great product. It has performed as advertised. I can’t be more happy. I would purchase again



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Easy ordering, product showed up much quicker than I expected. This is my second or third time ordering from them, there will be more.....



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Very nice taillights. Very bright. Seem to be well made and durable.



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Replacement for light unit I damaged. Perfect replacement, easy install and no problems. This is a great unit for my small boat trailer.



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Great product, works excellent! Shipping and handling fast and without any problems. Will be ordering RV TOWING parts soon.



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They are very bright and seem to work well. Had an issue with a few of the LEDs going bad, but etrailer made it very easy to get it replaced in a timely manner. Have been happy with them since.



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Bought a new brake controller and updated all the lights to LEDs , all parts are good quality. Would recommend etrailer



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Very nice. Lights were easy to hook up. Nice and bright to clearly mark the trailer. The specifications were clear and the light mounted nicely in the confined space. I was especially grateful for the video that Etrailers provided so that I could see how the light would look before I bought it.



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STL28RB & STL29RB
Right and Left LED
Brake/Turn/Tail/License plate lights
Nice bright LED light. Cheaply made, all plastic back housing but unless you can find the older (80's/90's) lights, your stuck with "made in Japan"



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STL28RB & STL29RB
Right and Left LED
Brake/Turn/Tail/License plate lights
5 star
Nice bright LED light. Cheaply made, all plastic back housing but unless you can find the older (80's/90's) lights, your stuck with "made in Japan"



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Great product and easy to install



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I purchased this led light set and am 100% satisfied with the units. They are bright and were easy to install with supplied instructions. Just took the boat out of storage and the lights "work" for a change, fantastic. No more fiddling around with regular bulb type, which were a Royal Pain. Spend more time "fishing" instead of "kicking" your trailer. The greatest invention since "Sliced Bread". Lunch is important guys, but HEY!!!



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Trailer lights arrived in perfect shape. I have not replaced the old lights yet since it is winter. The mounting hardware and slots line up so it should be a simple remove and replace. I tested the lights by connecting them to a car battery, they are way brighter than the old incandescent 1157 bulbs. The side marker and license plate lights look good also. I expect these will be maintenance free unless someone runs into the trailer and it sure won't happen because they could not see the stop lights! Thanks etrailer.



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I upgraded to these lights a few years ago and they are great. Amazing visibility. When I blew a tire it destroyed the left rear light as well as licence plate and bracket. etrailer was able to sell me a single light to do the repair......Thanks

Robert profile picture

Robert

6/12/2022

I sold the boat and trailer a month later. The light was still working



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Easy installation of both the left and right LED lights. I also installed LED amber side marker lights as well.


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See what our Experts say about this Optronics Trailer Lights

  • Recommended Replacement Tail Light Assemblies for a Yamaha Trailer
    If your Yamaha trailer measures over 80 inches, then I recommend the Optronics Waterproof LED Trailer Light Kit, # TLL160RK. This light set is designed for marine trailer applications which means the unit is sealed and waterproof. The units are hard wired to your current trailer's lighting wiring and the units have separate ground wires. For a trailer that is smaller than 80 inches, I recommend the Optronics Micro-Flex LED Trailer Tail Lights, # STL28RB & # STL29RB. These light are square...
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    You will be able to replace the incandescent lights on your trailer with LED without a problem. Like you said, you can just take the old lights out and replace them with new lights. If the Miro-Flex LED Combination Trailer Tail Lights - Submersible # STL28RB & # STL29RB you looked at would be a great choice assuming they are the style and size you want. These are surface mount lights so they will be able to mount in most places without a problem. The dimensions of these lights are 5-1/4"...
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  • Availability of a Submersible Trailer LED Light Kit
    For a waterproof LED light kit you would want to use # TLL9RK. I can verify that his kit is listed as waterproof which would include it being submersible. The # STL28RB & # STL29RB is comprised of lights not listed as submersible as you have said.
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  • Recommended 3-Prong 3-Wire Pigtail for a Optronics Trailer Tail Light
    Yes, there is Jeff. We actually have three different 3 prong 3 wire plug pigtails that work with the Miro-Flex LED Trailer Tail Light item # STL29RB, you were looking at. 3-Wire Pigtail for Optronics Trailer Lights - 3-Prong PL-3 Plug - 10" Lead item # A45PB Right Angle 3-Wire Pigtail for Optronics Trailer Lights - 3-Prong PL-3 Plug - 10" Lead item # A47PB Replacement Pigtail - 3-Wire - 90 Degree item # 40-00-004 I attached a couple of pictures below so you can see the 3-prong patterns...
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  • Recommended Replacement Lights for a 2005 Ez-Loader Boat Trailer
    Hey Matt! You can go ahead and email me that picture to the address you receive this response from and I'll take a look at it. Just a heads up we will not have an exact OEM replacement light. What we have done in the past for other Ez-Load boat trailer owner's is to recommend the Miro-Flex LED Trailer Tail Lights item # STL28RB and item # STL29RB which are submersible LED tail lights that will work well for you. The lights mount via two bolts placed 2" apart on center. The circuit boards...
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  • Will Replacement LED Tail Lights on Boat Trailer be Compatible with Current Incandescent Lights
    There is no harm in using LED Tail Lights, like part # STL28RB & # STL29RB, along with incandescent lights on your boat trailer. They will work just fine together. I am linking our selection of LED tail lights for you to look through but if you can let me know the dimensions of the lights your are wanting to replace I can see if we have a similar LED option available.
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  • Replacement Tail Lights on Malone Microsport XL Kayak Trailer
    Yes. The tail lights on the Malone Microsport trailers like the # MPG460XT are submersible. You can use the # STL28RB & # STL29RB to replace these lights with another submersible light or go with a completely sealed and waterproof light set with the # TLL9RK. I do recommend going with the # TLL9RK waterproof lights just because of the added protection and durability you get with this application.
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  • Installing LED Trailer Light with Black, Red, and Green Wires
    Typically with an LED light that has a black, red, and green wire the black wire is for ground, the red wire is for the turn/brake light circuit, and the green wire will go to the running lights circuit on the trailer. If you can tell me what model LED lights you purchased I will be happy to verify this for you.
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  • Recommended Replacement Tail Lights for a 2018 Bass Tracker Boat Trailer
    I have some great compatible replacement tail light options for a 2018 Bass Tracker Boat Trailer. For this, you can use the Optronics LED Combination Trailer Tail Lights part # TLL160RK if you have the rectangular style or the Miro-Flex LED Combination Trailer Tail Lights part # STL28RB & # STL29RB is you have the square style. If either of these don't match up with what you have please just send a photo and I'd be glad to see if we have a better option.
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  • Is a Special Converter or Adapter Needed to Tow a Trailer with LED Lights
    Most aftermarket trailer wiring harnesses are compatible with LED trailer lights but I would need to know the year, make, and model of the vehicle to be sure. Factory tow package wiring usually works fine but German vehicles (Volkswagen, BMW, Audi, Mercedes) can have issues since the LED lights draw far less power than incandescent lights. I have heard of only a few cases of other vehicle manufacturer tow package wiring being an issue with LED lights. But even if the low power draw causes...
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  • Boat Trailer Tail Lights Stopped Working After Backing Trailer in Water
    There is a subtle difference between submersible lights like # ST5RB and completely sealed lights. Submersible lights will let in water but will allow it to drain out. Sealed lights will keep water out and as such are also submersible. Part of the problem is that you really need to disconnect the trailer wiring prior to submerging the trailer in the water since the light is not sealed and the connection splices are not water tight. The brake light/turn signal functions not working could...
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  • Replacement Tail Lights for an EZ Loader Boat Trailer
    I do not know exactly what lights your boat trailer came with nor would we have an exact OEM replacement but we do have the Miro-Flex LED Trailer Tail Lights part # STL28RB & # STL29RB which are a submersible LED tail light that should work well for you. The lights mount via two bolts placed 2" apart on center. The circuit boards are sealed, which means that water will not damage the diodes or circuit boards. The lights do not come with sealed wiring connectors but you can add them using...
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    Image 1 for
  • Can I Use LED and Incandescent Lights on My Trailer Together
    Yes, you most certainly can use LED and incandescent lights together on a trailer. I have linked our selection of trailer lights for you to check out. If you need to choose some lights if you just let me know what dimensions you are looking for and I can make some recommendations for you.
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  • Recommended Plastic Fender for 14 Inch Wheel and Tail Lights
    We have white plastic fenders that will fit your 14 inch wheel. I recommend the Plastic, Single-Axle Trailer Fender w/ Top and Side Steps # PF11X35W. If you want matching fenders, then you want # PF11X35W-2. If you need the mounting brackets, I recommend the Galvanized Steel, U-Shaped, Bolt-On Brackets for Plastic, Single-Axle Fender # PF1135-BKT-2. These don't have the integrated lights, but trailer lights are an easy addition. I recommend the Miro-Flex LED Trailer Tail Lights -...
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    Image 1 for
  • Recommended Trailer Tail Light Mounting Brackets for Square Lights
    For your Miro-Flex LED Trailer Tail Lights # STL28RB & # STL29RB, we have the CE Smith Light Mounting Brackets # CE26057AA. We also have the CE Smith Trailer Tail Light Protector - Aluminum Tread Plate # CE26051A or Light Guard - Unpainted Steel # LG440NP to further protect the lights when mounted.
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  • Square Replacement Taillight Lens With 3-9/16" Hole Spacing
    The Replacement Tail Light Lens for STL2RB and STL3RB part # AL8RB-1G offers hole center to center measurements of 3-3/4". Which would be very close and as close as I am able to come up with to the 3-9/16" you have. Check it again to see what you get as they are only about 3/16" different.
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  • Can 12 Guage Wire Connect to 20 Gauge Wire With Butt Connectors
    When you have to go from a much thinner gauge wire to a thicker gauge wire with a butt connector you want to use the bigger size connector like # DW05745-10 which fits 10 to 12 gauge but the trick to getting the thinner gauge wire to fit well is to strip off 3 times as much insulation than you'd normally need and fold the core of the wire a couple times so that it ends up being thick enough for the butt connector to grab it.
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  • Bright LED Trailer Taillight Recommendation
    The Miro Flex LED Trailer Taillights # STL28RB & # STL29RB have 38 diodes which are incredibly bright. This would be a great solution for what you are looking for. I attached a picture that shows just how bright these are installed on a PWC trailer.
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    Image 1 for
  • Recommended Trailer Tail Light Kit with 38 Diodes
    Yes, the Miro-Flex LED Combination Trailer Tail Lights part # STL28RB & # STL29RB have a combined total of 38 diodes. In order to add the wiring you can use the 35 Ft 4-Way Trailer Wiring Harness part # A35W42B.
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  • Mounting Dimensions of Miro-Flex LED Trailer Tail Lights
    The mounting dimensions of the Miro-Flex LED Trailer Tail Light # STL29RB and Miro-Flex LED Trailer Tail Light # STL28RB are exactly the same - they have mounting studs which are 2" apart on center. These are exactly the same lights with the only difference being that Tail Light # STL29RB has a license plate light function because it is the driver's side tail light. Apart from that both lights have mounting studs in the same location, both measure 5-1/4" wide x 5" tall x 2-5/8" deep...
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    Image 1 for
  • Solution for Installing Trailer Wiring Where Wire Colors Are Different and Unknown
    So sometimes trailer wiring and taillight wiring end up using wire colors that are different from standard. It's frustrating but the only solution is to first verify what all of the functions of the wires are and then wire accordingly. You can use a vehicle battery to verify the functions of the lights first and then use a circuit tester like part # PTW2993 to verify wiring by having it connected to a vehicle and then test the wires while all of the taillight functions are applied.
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  • Replacement Square Trailer Tail Light Without License Plate Light
    We do! The Optronics Combination Trailer Tail Light # STL29RB you were looking at is the driver's side with that license plate light so the equivalent of that is part # STL28RB which is designed for the passenger's side so it doesn't have the license plate light. Attached is a review video for both lights for you to check out.
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  • Replacement Options for Miro-Flex LED Trailer Tail Light Kit # TLL28RK
    I was able to look back at your order and find that you purchased the tail light kit TLL28RK. You will need to replace one of the lights because the manufacture does not offer just the lens. The good news is you will not need to replace the entire kit though. For the left hand side you will need # STL29RB and for the right hand side # STL28RB. I have linked the above mentioned products to this page for your convenience.
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  • LED Trailer Wiring Set Recommendation for Replacing Lights with 3 Wires
    The Miro-Flex LED Tail Light Set # STL28RB & # STL29RB would be a great choice for you as they are an LED trailer taillight set that uses three wires. The white is ground, the brown is taillight, and the yellow is for left stop/turn and the green right stop/turn.
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Do you have a question about this Trailer Light?


Info for this part was:

Employee Zack K
Video Edited:
Zack K
Employee Tyler C
Written by:
Tyler C
Employee Adele M
Updated by:
Adele M
Employee Amy B
Updated by:
Amy B
Employee Wilson B
Updated by:
Wilson B
Employee Brian T
Updated by:
Brian T
Employee Cole B
Installed by:
Cole B

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