Function description: External high voltage 1KW control board is for driving universal motor and brushless motor, including infrared sensor system and digital display. It applies NO HALL mode, high efficiency and stable. The motor rotates on high speed, wind flows quickly through blade like gap blowing hands and drying. Hot wind and cool wind is for choice.

Protective functions: over current protection; low voltage protection; overheat protection; motor blocking protection; starting up protection etc.