it is ok, but not great

I end up return this unit, due to, no LCD display to what watt consuming to my load. also, this seems no UL/ETL certification, this is a must to have on all consumer electronic products. plus, there is no local US supporting to warranty need after after many years , if need to replace parts. it work , but not really great as it should be, like all name brand electronic item in US market. Other then this, all function work as it should be. but good luck, if something goes wrong after 30 days, you are on your own. some trading company, very hard to claim warranty.

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