Torque(6.0V): 23.0 kg-cm (319.4 oz/in)Torque(7.4V): 25.0 kg-cm (347.2 oz/in)Speed: 0.16 sec (6.0V) ¦¢ 0.14 sec (7.4V)Operating Voltage£º6.0 ~ 8.4 DC VoltsWeight: 72 g (2.54 oz)Bearing Type£ºBall Bearing x 2Motor Type£ºDC MotorGear Type£ºCopper & AluminumOperating Temperature: -20¡É~60¡ÉSize£º40.7 x 20.5 x 38.6 mm ( 1.60 x 0.81 x 1.52 in)