Servo Specification:Torque (kg-cm): 7.04 (4.8V) / 8.8 (6.0V)Torque (oz-in): 97.8 (4.8V) / 122.2 (6.0V)Speed: 0.125 s (4.8V) / 0.1 s (6.0V)Stall Current (at locked load): 1.2A (4.8V) / 1.5A (6.0V)Working Voltage: 4.8V - 7V DC Working Frequency: 333hzBearing: 2* Ball BearingGear: Metal Alloy GearMotor: DC MotorWeight: 56 gDimensions: 40 x 20 x 40 mm