NW 5pcs 3V Micro Planetary Reducer Motor High Torque DC Motor DIY Robot Gearbox Motor -9161C-

Planetary gearbox outer diameter: 9.9 mm Motor specifications: 8 x10x12 mm (M10 motor) Geared motor height: 19.5 mm (motor + gear box) Output shaft: Gear with an outer diameter of 5.35 mm (11 teeth) Reduction ratio: 1:171 Weight: 4 grams Rated voltage: DC2.5V No-load current: 40 MA No-load speed: 92 RPM Rated torque: 9.8 mN.m Maximum torque: 37.2 mN.m The following measures the motor speed under other voltages: Voltage: DC3V Current: 42 MA Speed: 110 rpm Voltage: DC3.7V Current: 48 MA Speed: 135 rpm Voltage: DC4.2V Current: 52 MA Speed: 154 rpm Voltage: DC5V Current: 58MA Speed: 180 rpm