PowerHD Digital High Voltage RC servo L-12HVTorque(6.0V): 9.0 kg-cm (125.0 oz/in) Torque(7.4V): 12.0 kg-cm (166.6 oz/in)Speed: 0.07 sec (6.0V) ¦¢ 0.06 sec (7.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 52.0 g (1.83 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºCoreless MotorGear Type£ºTitanium & AluOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 333hzSize£º41.0 x 20.0 x 26.4 mm ( 1.61 x 0.79 x 1.04 in)