I'm giving three stars because I think it's a combination of 1 star and 5 stars. Here's the good - it looks good, it comes with 4 cleaning pads, a remote control etc. The bad thing is that it doesn't work with the standard windows that are used in most parts of the country, especially in the south. Have you ever heard of vinyl windows? Yes, these are glass windows, but they have a vinyl edge that attaches to the frame. These windows have been used in every home in Texas and other parts of the South for decades. They make it easy to swap out the glass when needed. If the Mamibot W120-T finds its way to the rim of the glass and bumps into a half-inch wide strip of vinyl on the rim, it's enough to loosen its suction (and it doesn't recognize that rim) and it falls off. I'm very disappointed to have to return it as it looks like a great product - as long as you don't have that window. The product description really needs to talk about it considering how common these windows are in millions of homes.
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