I used to only buy 300 LEDs at 16ft so I decided to try 600 LEDs at 16ft. And here is what I found. You would think that they would give more light at the beginning of the strip they are doing. However further down the trace from the power supply the light actually gets dimmer, it doesn't emit the same amount of light from start to finish. None of those light streaks and he's doing fine, they could certainly improve that. The great thing about these devices is that they are 12V compatible, so you can use them in automotive applications and at home with a power supply. My suggestion is if you want the same light from the beginning to the end of the strip stop at 300 leds don't use 600 you will be disappointed except they are not bad but they are definitely not great.
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