Features: _x000D_A gear motor is a specific type of electrical motor that is designed to produce high torque. _x000D_Gear motors are primarily used to reduce speed in a series of gears, which in turn creates more torque. _x000D_Full metal gears would ensure a longer service life, high torque and less noise. _x000D_There are three reduction gear motors of different speed and you can choose the one you need. _x000D_Gear motors can be found in many different applications, and are probably used in many devices in your home. _x000D__x000D__x000D_Specifications: _x000D_Voltage: DC 6V_x000D_Speed: 10RPM, 15RPM, 20RPM(Optional) _x000D_Outer Diameter: 12mm / 0.47" _x000D_Max. Gear Ratio: 1:1000_x000D__x000D_Speed(RPM)_x000D_No Load Current(mA)_x000D_Stalling Torque(KG.CM)_x000D__x000D_10_x000D_15_x000D_5_x000D__x000D_15_x000D_35_x000D_7_x000D__x000D_20_x000D_45_x000D_8_x000D__x000D__x000D__x000D__x000D_Package Includes: _x000D_1 x Gear Motor _x000D__x000D__x000D_Note: There might be 10% speed error. Thanks for your understanding.