Laser reveals microscopic dust. A precisely angled laser makes invisible dust visible on hard floors, so you dont miss anything Piezo sensor and Dyson DLS technology automatically sense debris level and floor type to adapt suction for the right balance of power and run time LCD screen displays scientific proof of a deep clean. Calculates and categorizes picked-up particles, showing you on-screen as you clean Converts to a handheld for cleaning cars, stairs and upholstery High torque cleaner head with anti-tangle comb - Automatically adapts suction and power to deep clean different floor types