... tempreture rise low noise good quality Specfication: Name: ceiling fanVoltage:220v - 50hzcurrent 570±10%mApower 115± ... REGULATOR,SCREWFeatures:Motor with pure copper wireOptimal iron fan blade structure,strong and durable,large air ... servicie lifeFive speed regulator,any colors for choosingWidely used in workshop,mine,warehouse,office etc,to exhaust ... copper winding100% copper wire for motor ceiling fan