The SHARK PowerLite Clean & Empty BU3621UK Cordless Vacuum Cleaner is ideal for anyone looking for a low-maintenance way to keep floors clean. The Auto-Empty charging dock automatically empties dust and debris after each clean, giving you up to 30 days of hands-free emptying. FloorDetect technology automatically adjusts the brushroll speed as you move between carpets and hard floors, helping you get the best cleaning performance on every surface. Plus, the self-cleaning brushroll prevents hair from tangling around the brush, reducing maintenance and keeping cleaning interruptions to a minimum.HEPA anti-allergen complete seal - captures and traps dust and allergens inside the vacuumLED headlights - reveal hidden dust on hard floorsUp to 40 minutes run time115 air watts suction powerDetachable handheld unit