-Professional Heavy-duty 2400W powerful motor enables high performance -3 positions anti-shock ergonomic side handle that minimizes vibration and reduces fatigue during long time working -Rotary main handle which accelerates working in different angles and improves user comfort and control -Soft start switch system that ensures the safety of operation -Direct airflow system which cools the motor for more reliable performance and higher overload capabilities -NSK anti-dust ball bearings which ensure long lifetime of the motor and make it work more smoothly