1.Type: ET-DCMN37BL Brushless motor 2.Voltage:12V, 24V 3.Speed: 2000-20000rpm low noise, long lifetime Etonm ... beginning of 2001. Until now, we have more than 100 series of products. The Diameteof Dc Motor ranges from 4mm-70mm ... from 1V-36V. Type:ET-DCMN3726BL Brushless dc motorVoltage:6V, 12V, 24VSpeed:2000rpm-20000rpmApplication: water heater, Humidifier, Art showing, Fan dirver ...