Voltage: 4.8V ~ 6.0V Speed: 0.14 sec/60deg(4.8v) 0.12sec/60deg(6.0v) Torque: 6.5kg.cm(4.8v) 7.5kg.cm(6.0v) Size: 40.8mm X 20.5mm X 38.5mm Weight: 56g Motor: Brushed Gear Train: Metal(Titanium gear) Ball Bearing: 2BB