1.Voltage:1.5,3v,4.5v,5v,6v,12v 2.Speed:10-3000RPM 3.Ratio:1:10-1:1000 4.Customized specs 5.High Torque to 5kg.cm,Metal gear gear motor :Application inRobot,Automatic Door Lock, Toys,Camera,Monitor, hair curler Reduction Ratio 1:10,1:20,1:30, 1:50, 1:63,1:100,1:150, 1:210 1:250,1:298,1:380,1:1000Specification: ModelRatioVoltageNo LoadAt Maximum ...