I ordered this for my home aquarium. It arrived shortly after it arrived (which I confirmed with a multimeter and found a short to one of the red wires on the positive and negative power lines. All the blue and red wires should be open (easy to find with a google search and a multimeter) ). Got a quick replacement (good thing) but the second one had the exact same defect. I would have tried the third one but my only option was a refund rather than a replacement so I'll get one from someone else (since my aquarium still needs its light).
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