INCLUDES ALUMINUM SERVO HORN AND CHICAGOLAND RC COUPON ITEM DESCRIPTION Specifications: 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：6.0 ~ 8.4 DC Volts Weight: 72 g (2.54 oz) Bearing Type：Ball Bearing x 2 Motor Type：DC Motor Gear Type：Copper & Aluminum Operating Temperature: -20℃~60℃ Working frequence：1520μs / 333hz Size：40.7 x 20.5 x 38.6 mm ( 1.60 x 0.81 x 1.52 in)