Torque(6.0V): 35.0 kg-cm ( 486.1 oz/in)Torque(7.4V): 45.0 kg-cm ( 625.0 oz/in)Torque(8.4V): 50.0 kg-cm ( 694.4 oz/in)Speed: 0.19 sec (6.0V)¦¢0.17 sec (7.4V)¦¢0.16 sec (8.4V)Operating Voltage£º6.0 ~ 8.4V 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)