QINJI brand DC Gear Motor 1.Voltage:3-4V 2.Speed:750 rpm ... Main Application: Coffe machine,Medical equipment,Automation equipment2. Voltage operating range: 90~220V3.Stall torque: 90000 g/cm4 ... in researching, developing and producing micro DC motor and DC gear motor. Widely used for massager area, medical ... and orders except standard products! 4 voltage electric small dc motor with hight speed