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. 1A gear motor is a specific type of electrical motor that is designed to produce high torque 2Gear motors are primarily used to reduce speed in a series of gears, which in turn creates more torque 3Full metal gears would ensure a longer service life, high torque and less noise 4There are three reduction gear motors of different speed and you can choose the one you need 5Gear motors can be found in many different applications, and are probably used in many devices in your home