DC gearbox Motor ISO9001:2008 /14001 CE.ROHS.CCC More than 10years experience in gearbox area. Developing time:45Days. HOUSING Material: Zinc Alloy Reduction ratio: i:24,i:43,i:72,i:86,i:120,i:200,i:450,i:500 ,i:750,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.;