Low RPM DC Gear Motor ISO9001:2008 /14001 CE.ROHS.CCC More than 10years ... experience in gearbox area. Developing time:45Days Low RPM DC Gear MotorHOUSING Material: Zinc Alloy Reduction ratio: i:24,i:43 ... ,i:900,i:1350voltage,3VDC,6VDCHigh-end children's toys, USB fan, shaking his head fan, baby toys, motor vehicles, robot ... arms, automatic door locks, electric toothbrushes, etc.; Low RPM DC Gear Motor