Zero useful instructions, no wiring diagram, no support at all.I bought two of these. First unit literally fried the ac/dc converter that literally went up in a plume of smoke.The other unit, worked intermittently for two days and then failed completely.Huge waste of time and money. I am returning both today. If I don't find a American made one, I will build it myself.This is why again I will vote for Trump. We both hate Chinese junk products.
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