Servo specifications:Torque (kg-cm): 10.4 (4.8V) / 13 (6.0V) / 16 (7.4V)Speed: 0.13 s (4.8V) / 0.103 s (6.0V) / 0.083 s (7.4V)Stall Current (at locked load): 2.8A (4.8V) / 3.5A (6.0V) / 4.2A (7.4V)Working Voltage: 4.8V ~ 7.4V DC VoltsWorking Frequency: 1520µs / 333HzDead Band: 0.001 ms (Default)Bearing:2x Ball BearingGear: Metal Alloy GearMotor: Brushless MotorWeight: 57.8 g (2.03 oz)Dimension: 40.5 x 20.5 x 25.4 mm