ITEM NAME:Precision Super Micro 6MM Planetary Gear Motor DC 3V 1200 rpm Mute Hollow C%P 100% Brand New and High Quality ! External diameter of motor: 6 MM Motor length: 10 MM Total length: 16.7 MM (motor + gearbox) Output shaft: 2 MM (flat 1.5 MM) Line length: 18 MM Deceleration ratio: 1:26.15 Applicable voltage: DC 3V - 4.2V (rated voltage is DC3V). Voltage: dc3v no-load current: 22mA speed: 1200 rpm Torque: 25 g.cm (locked rotor torque: 55 g.cm) Voltage: DC3.4V no load current: 24Ma speed: 1380rpm Torque: 26 g.cm (locked rotor torque: 60 g.cm) Voltage: dc3.7 V no-load current: 36ma speed: 1500 rpm Torque: 30 g.cm (locked rotor torque: 68 g.cm) Voltage: dc4.2v no load current: 47ma speed: 1700 rpm Torque: 35 g.cm (locked rotor torque: 77 g.cm).Deceleration ratio: 1:26.15. Motor length: 10 MM. Total length: 16.7 MM (motor + gearbox). Torque: 26 g.cm (locked rotor torque: 60 g.cm).