Features Compatible with a wide range of genres such as airplanes, helicopters, and cars. Resin Gearing. High voltage 7.9KG S.Bus servo. Specifications Torque(6.6V): 7.1 kg-cm (98.6 oz/in) Torque(7.4V): 7.9 kg-cm (109.7 oz/in) Speed: 0.14 sec (6.0V) │ 0.13 sec (7.4V) Operating Voltage：6.0 ~ 8.4V DC Volts Weight: 39 g (1.38 oz) Gear Type：Resin