Servos 3.7G Flyermate-Poids:3.7g -Operating Speed: 0.12sec/60 degree(4.8v) 0.10sec/60 degree(6v) -Stall Torque: 0.3kg/cm(4.8v) 0.4kg/cm(6.0v) -Operating Voltage: 4.8v - 6.0v -Dimension:20.0 x 17.6 x 8.0 (mm)