Title: Poor performance
Product review: My house was recently broken into and I purchased this item, among others, as a security measure to help deter future theives. While it is simple to use it does not go through walls or windows as advertised. I've adjusted volume/range and rearranged so that the unit points directly through a window. There's no thick walls or steel structures that are interfering with it. In addition, it picks up anything that moves behind the unit inside the house (no matter what angle) which is annoying. I've tried making foil shields, etc. but can't get anything to work. It also gets 'stuck' and continues to bark after you've left the room and there's no motion. I was very excited about the product when I saw it but will be returning it. I also purchased the Rex version (which is identical, only more money)...same problems. Get a real dog if you can.
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