Robo Maxx T285 Robotic Vacuum Cleaner Ideal for cleaning wooden, linoleum, and tile floors and low pile carpeting with two rotating spinning brushes. Smart cleaning program for max room coverage Random, Spiral, Along the wall & Z running patterns. Non-touch bumpers reduces the rate of bumping into walls or furniture along with anti-cliff sensors preventing the unit from falling down stairs. Debris bin full indicator light and easy removable and cleanable bin. Running time settings, 20 / 40 / Max Minutes. Long life span motor (about 5000 hours).