Voltage: 4.8V ~ 7.2V Speed: 0.15 sec/60deg(4.8v) 0.13sec/60deg(7.2v) Torque: 10kg.cm(4.8v) 12kg.cm(7.2v) Size: 40.8mm X 20.5mm X 38.5mm Weight: 56g Motor: Brushed Gear Train: Metal(Titanum gear) Ball Bearing: 2BB