Torque(6.0V): 15.0 kg-cm ( 208.3 oz/in)Torque(7.4V): 18.0 kg-cm ( 250.0 oz/in)Torque(8.4V): 20.0 kg-cm ( 277.7 oz/in)Speed: 0.11 sec (6.0V)¦¢0.09 sec (7.4V)¦¢0.08 sec (8.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 82.0 g (2.89 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºCoreless MotorGear Type£ºTitanium & SteelOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 333hzSize£º40.7 x 20.5 x 38.5 mm ( 1.60 x 0.81 x 1.52 in)