Additional Details ------------------------------ Product description: This high-quality, single motor, domestic, upright vacuum cleaner is a great choice for homes or offices to achieve a consistent, deep clean. Superior cleaning and filtration make it great for those with allergies. Very versatile, goes from rugs and carpets to hard floors such as ceramic, marble and wood thanks to a series of roller covers (optional). The dynamically balanced brush roller is mounted on metal supports with ball bearings. In case of blocking a speed sensor sends the information to the electronic control that switches off the motor immediately. The transmission has a double geared belt.