“Powered by DC 6V power supply. The low voltage DC motor is widely used for model crafts, such as RC car, robot model, DIY motor toys and so on All-metal gears are wear-resistant High reduction ratio and torque, reduction ratio up to 1:1000 Small size and light weight.With centered output shaft (Diameter*Length): 3mm x 10mm /0.12"“x 0.39"”; It weighs about 10g”