300 motor, this motor is different from ordinary 300 motor. Generally, the lead of 300 motor is drawn from the motor without the lug, but there is a lug at the end of this motor, you can weld different kinds of connecting lines according to your own needs. The 300 motor has low starting current and low noise, making it ideal for making current-sensitive electronic works, suitable for use with solar panels. Diameter: 24mm Height: 12.2mm Shaft diameter: 2mm Step: step diameter 6.5mm, step height 0.5mm Axis length: 5mm (axis), 10mm (axis), 20mm (axis) Voltage: 1.5V-6V Motor parameters: Axis 5mm: 3V speed 4200/min, no-load current 0.02A blocking current 0.25A   Shaft 10mm: 3V speed 8000/min, no-load current 0.07A, locked rotor current 0.52A Axle 20mm: 3V speed 4350/min, no-load current 0.02A, locked rotor current 0.25A