Vorwerk Folletto VR100: Robot vacuum cleaner with reliable and intelligent navigation system. Laser sensor with 360° rotation and 1800 measurements per second, Universal brush rotation speed 24 times per second, Anti-collision and anti-fall sensor system, New generation lithium ion batteries for long life, Weekly cleaning programming, Double cleaning modes: “home” and “spot”, Dust container with filter 400 ml Dimensions 33 x 32 x 10 cm.