on purchases of $34.99 or more and
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I am using it indoors and it's better than what I had before. My front room is on the opposite side of getting line of sight but still gets the job done. I tested it in my room which is near line of sight and it worked great. I strongly suspect having outside would be even better.
Works perfect for my needs between our two chairs in the living room. Can plug in my lamps, tablets to wall outlets and have our cell phones in the USB ports and everything is now in one spot instead of all over the house.