Voltage: 4.8V ~ 7.2V Speed: 0.16 sec/60deg(6v) 0.14sec/60deg(7.2v) Torque: 13.5kg.cm(6v) 14.8kg.cm(7.2v) Size: 40.8mm X 20mm X 38.5mm Weight: 56g Motor: Brushed Gear Train: Metal(Titanium gear) Ball Bearing: 2BB