2:No Wearing Parts (carbon brushes ,commutator.field coil )
3:Compact Intelligent Controller
4:Long Lifetime,Maintenance-Free
5:Compatible with Engine Generators
6:Stable Operation Even During Voltage Drop
7:Increased Grinding Performance with Less Fluctuation in Speed .
8:Soft Start , Anti-Restart Protection ,Overload ,Overheat Protection .
9: Indicator Light