C4 4WD Smart Chassis Car Kit + 4Pcs 12v 330rpm DC Motor with Hall Encoder for DIY Educational Competition

The parameter of chassis car: Name: C4 4-wheel drive trolley Frame material: aluminum alloy Surface treatment: oxidation Frame/chassis color: silver Wheel diameter: 130mm Size: 390mm * 295mm * 130mm (length * width * height) Product weight: about 1.7kg Working load: about 5KG The parameters of motor: Type: 37GB-520 high torque 37 DC geared motor with hall code disk Motor shaft diameter: 6mm Rated voltage: 12V Rated power: 4.8W Motor type: permanent magnet brushed Stall current: 2.8A Blocking torque: 10kgf.cm Rated current: 360mA Rated torque: 1.0kgf.cm Original speed: 11000rpm Reduction ratio: 1:30 Package Included:(battery isn't included) 1 set smart chassis car 4 x wheel(send randomly color) 4 x Motor with copper coupling and Screws