Do. Not. Purchase.

I don't leave reviews. But after this robot toppled down my massive staircase AGAIN I feel like I should. This vac does not work on carpeting of any kind, low pile or not. It does not even have a brush system on the bottom, simply a hole for dirt and dust to go in. The 2 bristles on the sides? Destroyed after FOUR uses. With only one backup set in the box. My entire house is hardwood except for 2 large thin low pile rugs which this thing doesn't even clean. And the intelligent "sensors" that prevent it from hitting walls is BS. It literally runs full speed into walls and then stumbles for a second once the bumper is hit, moves an inch to the side and runs into the wall again. Look at the pictures of paint scraping off, that was before the stair carnage. 1st time I used it the damn thing stayed under my kitchen table for 20+ minutes despite me pulling all the chairs out. The manual makes no sense and is written in gibberish. The dust bin is literally TOO BIG for it's suction power. After 2 90 minute runs only then is the dust bin over half full and it seems to only really pick up hair. I want a refund.

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