Torque(6.0V): 25.0 kg-cm ( 347.2 oz/in) Torque(7.4V): 35.0 kg-cm ( 486.1 oz/in)Torque(8.4V): 40.0 kg-cm ( 555.5 oz/in)Speed: 0.14 sec (6.0V)¦¢0.12 sec (7.4V)¦¢0.10 sec (8.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 80 g (2.82 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºCoreless MotorGear Type£ºSteel & AluminumOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 333hzSize£º40.7 x 20.5 x 38.7 mm ( 1.60 x 0.81 x 1.52 in)