Discount SUPERNIGHT (TM) RGB 5M Waterproof Epoxy 5050 300 SMD LED Strip Light

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I purchased 4 of these 5-m strings to light my porch. Although they went up pretty quickly, the adhesive backing just did not stick well to the wood I was mounting them to. I ended up hot-glueing the strips about every 6 or so inches. That seems to be working well.

One important thing I learned is that when unrolling the strips from the reels you MUST turn the reel (using a pencil through the center). If you lay the reel flat and start uncoiling, you WILL kink the strip! And kinks in the strip are bad, bad, bad. I failed to unroll the first strip properly and kinked it in a few places resulting in a couple of sections of leds that have one color either not working or only working intermittently. I unrolled the other 3 coils properly and have had zero problems all leds work properly.

The color controllers are apparently pretty sensitive to load. I wired my strips so that the controller powered the first string, then split off to feed the inputs of the 3 amplifiers. This not only did not work, it ruined the controller!

On future projects I am taking no chances with the controller. I'm going to buy an amplifier for each string. I'm going to feed the controller output to the 1st amplifier input, then run the output of amplifier 1 to the first string and (in parallel), to the input of amplifier #2, and so on. This way the color control load is minimal since it is only feeding the input side of 1 amplifier.

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I ordered these for a vehicle lighting project and wired many of them to a 12v power supply and RGB led controller and they work awesomely. If you look very closely when set to certain color settings a very slight color deviation exists, although it is very unnoticeable in normal operation without looking directly at the led strip. In extreme cold the adhesive backing fails to remain adhesive, so i would not recommend for use in something like a freezer without a secondary mounting technique. Otherwise these LEDs are a great product and its hard to beat the price.

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There's enough voltage drop along the 12v buss to decrease the overall power consumed by this strip to 42W from the expected 60W. There's just not enough copper in the buss for the current requirement. That said, it's still bright at the far end and the power drop is not really noticable. Being double density, it puts out a lot of light. The waterproof coating is flexible and very clear. Even with the voltage drop, the strip is worth the reasonable price paid. If you cut it and use a shorter strip, or wire shorter strips in parallel, the voltage drop will be less.

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man can you believe what you can get for almost nothing these days? i mean it! but there will probably be hell to pay at some point!

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product was as described and works well.. have already run it for 48 hours with no issues and I plan to buy more