Item Type: RC Front Lower Swing ArmMaterial: Aluminium Alloy, PlasticServo Size: Approx. 54 x 20 x 45.5mm / 2.1 x 0.8 x 1.8in ( Manual Measurement, Slight Error May Exist )Teeth: 25TControl System: PWM Control (1500 Usec As the Center Point)Pulse Width: 500s to 2500sOperating Voltage: 4.8V to 7.4VOperating Temperature: Minus 20 to 60Steering Angle: 180 DegreesTorsion: 6V/26kg.cm. 7.4V/30kg.cmSpeed: 6V/0.18sec/60 Degrees. 7.4V/0.16sec/60 DegreesDead Zones: 3usecPlug: JR PlugApplication: RC Car, Robot, Boat, Mechanical Arm, Etc1Quick Response: This RC 30KG servo is equipped with highly accurate potentiometer and digital chip in high resolution to ensure stable performance, quick response, strong anti interference, low noise and fast heat dissipation. 2Long Service Life: This waterproof digital servo adopts premium aluminium alloy and plastic material, which ensures long service life. 3High Accuracy: This RC waterproof servo features highly precise metal gears with hard anodised finish. CNC aluminium midcase to enhance heat dissipation and ensure normal operation of the servo motor. 4180 Degree Rotation: This RC car servo supports 180 degrees rotation, 0 to 180 degrees adjustable angle, good linearity and highly accurate control. It can rotate 360 degrees when power is off, which is very suitable for robot joint activities. 5Wide Application: This 30KG RC digital servo is suitable for robots, mechanical arms, climbing cars, RC boats, RC aircraft and so on.1 xRC Front Lower Swing Arm1 x Metal Servo Arm4 x Plastic Servo Arm4 x Screw Setter4 x Rubber Pad6 x Screw