Weight : 13.4g Dimension : 22.8 x 12.2 x 28.5mm Stall torque : 1.8kg/cm(4.8V )2.2kg/cm(6V) Operating speed : 0.1sec/60degree(4.8v), 0.08sec/60degree(6v) Operating voltage : 4.8-6.0V Dead band width : 5us Modulation : Analog Gear Type : Metal Rotation/Support : Dual Bearings All servos come with arm set