4.8V or 6.0V Dimension 40.4 mm x 19.8 mm x 36.0 mm Weight 37.2 g Operating Speed 0.23 sec/60¢X (4.8V) 0.19 sec/60¢X (6.0V) Output torque 3.2 kg-cm (4.8V) 4.1 kg-cm (6.0V)