Torque(4.8V): 12.2 kg-cm (169.4 oz/in) Torque(6.0V): 13.2 kg-cm (183.3 oz/in)Speed: 0.16 sec (4.8V) ¦¢ 0.14 sec (6.0V)Operating Voltage£º4.8 ~ 6.0 DC VoltsWeight: 56.0 g (1.98 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºDC MotorGear Type£ºCopperOperating Temperature£º-20¡É~60¡ÉWorking frequence£º1520¥ìs / 50hzSize£º40.7 x 20.5 x 39.5 mm ( 1.60 x 0.81 x 1.56 in)