Torque(4.8V): 16.5 kg-cm (229.1 oz/in) Torque(6.0V): 20.0 kg-cm (277.7 oz/in)Speed: 0.18 sec (4.8V) ¦¢ 0.16 sec (6.6V)Operating Voltage£º4.8 ~ 6.6 DC VoltsWeight: 60 g (2.12 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºDC MotorGear Type£ºCopper & AluminumOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 333hzSize£º40.7 x 20.5 x 39.5 mm ( 1.60 x 0.80 x 1.55 in)