25mm Metal Gear DC Motors Specifications:12V / 130 RPM Up to 4 bi-directional DC

Up to 4 bi-directional DC motors with individual 8-bit speed selection

5mm (L x W x H)

It is slim and easy to fit into many project cases

Up to 50 Hz ranging frequency

Charge Voltage: 4

25mm Metal Gear DC Motors Specifications:12V / 130 RPM Up to 4 bi-directional DCThese cylindrical brushed DC gearmotors are available in a wide range of gear ratios. The gearmotors all have the same 25 mm diameter body and 4 mm diameter gearbox output shaft, so it is generally easy to swap one version for another if your design requirements change (though the length of the gearbox tends to increase with the gear ratio). Specifications Tutorial