Torque(6.0V): 11.0 kg-cm (152.8 oz/in) Torque(7.4V): 15.0 kg-cm (208.3 oz/in)Torque(8.4V): 17.5 kg-cm (243.0 oz/in)Speed: 0.042 sec (6.0V) ¦¢ 0.035 sec (7.4V) ¦¢Speed: 0.030 sec (8.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 75.0 g (2.65 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºBrushless MotorGear Type£ºTitanium & SteelOperating Temperature: -20¡É~60¡ÉWorking frequence£º760¥ìs / 333hzSize£º40.0 x 20.0 x 38.5 mm ( 1.57 x 0.79 x 1.52 in)