ITEM NAME:DC Motor N20 Large Torque Motor Gear Motor with Cable for Smart Car D%! 100% Brand New and High Quality ! Operating voltage: 3~6VDC Motor length: 24.3mm (including reducer) Motor width: 12 mm Motor Height: 10mm Shaft diameter: 1.9mm(D type) 1.9mm model: At 3V, no-load current 60mA, about 92R rpm. At 6V, the no-load current is 70ma, about 195 rpm. Color:As Pictures Package Included:1Pcs.Motor width: 12 mm. Motor length: 24.3mm (including reducer). Motor Height: 10mm. At 6V, the no-load current is 70ma, about 195 rpm. 1.9mm model: At 3V, no-load current 60mA, about 92R rpm.