I didn't really have high expectations for this product and it lived up to my low expectation. When I added the C batteries I had an extremely hard time getting them in and wound up using a tool to cram them in. It's a pretty large at 12 by 6 inches and takes about 10 seconds to reset after returning a ball. Also you have to hit the ball pretty hard for it to get up to the return, which actually negatively affected my putting game.
I wound up returning the item.
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