Type: brushless pull Size:10 inches Rated voltage: DC24V Rated current: ≤4.4A Speed range: 1000-3250 rpm Rated speed: ≥3250±100 rpm Motor power: 100W Noise: ≤70dB(A) Control system: PWM/ Temperature Temperature range: -40~±90℃ Could work with connecting the positive and negative charges 1st wire: red wire is "+",black wire is "-" 2nd wire: two white wires are temperature sensor 3rd wire: yellow wire is PWM, voltage-control wire