Weeks, which ruined an otherwise positive experience with its quiet cleaning, strong mapping, and fast performance. Since their j7 functioned well without constant no-go zones, they’re now comparing robot vacuums that offer safer navigation and better obstacle intelligence without demanding so much manual boundary setup. https://www.reddit.com/r/RobotVacuums/comments/1omwz0o/dreame_fell_down_the_stairs_again/