Dual Funtion 4" Round Red Stop, Turn & Tail and White Back-up LED Light

These lights were absolutely perfect for my application. I wanted to add more brake lights on the rear of my car and without major modifications, my backup lights were the only way. With these I didn't have to sacrifice my backup lights since they do both, and they do both well. Pay close attention to the wiring call outs printed on the back of the light and you'll have no trouble making these work. They are instant on (no waiting for a driver to fire up the lights) and automatically turn off the primary color (red in my case) and turn on the auxiliary color (white in my case) until power to the auxiliary input is switched off; then they return to the primary color. I love love love these lights and although there were designed for semi tractors, they work perfect for me and my car.

Love these lights and the reverse lights are nice and bright, I have six across the back of my semi truck.

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They fill with water easily and a diode is already out

I used these lights for my corner armor on my Jeep Wrangler. I highly recommend them. They are very tough and sturdy. Very bright and leave a good foot print behind my Jeep while driving down the road at night. The built in reverse light is the main reason I bought them. And again I am impressed. I can finally see behind me.You will need to purchase rubber grommets and plugs to go with it:)

So far these work very well. The combination tail,stop/turn and reverse lights all in one unit is very convenient for many applications. Easy to install have had zero trouble.

These are very nice, have 2 in my truck currently, they are bright enough in reverse to be helpful seeing and they behave as expected. The brake lights are quite bright, almost too bright, though if you want to see in the cars behind you at stoplights in the dark, these'll help.

The media could not be loaded.  I installed these on my jeep. They work great, they’re super bright and the reverse function is cool. They’re Almost as bright as the American superlite tail lights they replaced.Update: 3 years later and they still work

Lights work awsome very bright.