... quietly 2.Positive and negative rotation Brushless Direct Current Motor BLDC motor is composed of main body part and circuit control ... steel sheet and copper wire. Compared with brush dc motor, BLDC motor has the advantage of longer life, avoiding the ... : Electric Fan, Wall Fan, Air Pump, Range Hood Brushless motor Low rpm high torque dc motor:12/24 volt dc motor,35dB,50000Hours life for kitchen hood ...