... , 2.Powerful, 3.Beautiful Appearance, 4.Suitable for Pedelecs. bldc motor controller System Functions: Linear Speed Control, Brake Power-off,Mute Start,Soft ... ,PAS,Cruise,Fault Display, Sensorless,Sleep.System Protection Featuretages:Under-voltage Protection,Overload Protection,Motor Block Protection,Speed Limit,Lose Control Protection ...