1. Stepless electronic speed control on body; 2. Automatic cord rewinder; Adcantages1. Stepless electronic speed control on body;2. Extra powerful suction power;3. Store and stow away system;4. Handle airflow control, crushproof hose, 2 position brush& integrated accessories on board;5. Automatic cord rewinder;6. Multiple filtration system, exhaust HEPA filter;7. 360° hose swivel;8. Protective ...