Torque(4.8V): 8.6 kg-cm (119.4 oz/in) Torque(6.0V): 9.8 kg-cm (136.1 oz/in) Speed: 0.16 sec (4.8V) │ 0.14 sec (6.0V) Operating Voltage：4.8 ~ 6.0 DC Volts Weight: 56.0 g (1.98 oz) Bearing Type：Ball Bearing x 2 Motor Type：DC Motor Gear Type：Copper Operating Temperature：-20℃~60℃ Working frequence：1520μs / 50hz Size：40.7 x 20.5 x 39.5 mm