Feature: 1. STABLE PERFORMANCE: RC digital servo is equipped with high accuracy potentiometer and high resolution digital chip to ensure stable performance. 2. FAST RESPONSE SPEED: Digital servo has fast response speed, strong anti interference ability, low noise and fast heat dissipation. 3. FAST HEAT DISSIPATION: CNC aluminum middle shell to strengthen heat dissipation, to ensure the normal work of the servo motor, safe and convenient to use. 4. WATERPROOF SCREW: Full metal digital servo is made of first class material and adopts waterproof rubber sealing screw to ensure the service life of the product. 5. 270 DEGREE ROTATION: RC servo can control angle range 0-270 degrees with good linearity and high control accuracy. Can rotate 360 degrees when power off, perfect for robot joint activities. 6. METAL GEARS: Metal digital uses hard anodized high accuracy metal gears for higher accuracy and longer service life. 7. APPLICABLE OBJECTS: 20KG servo can be widely used in robots, robotic arms, climbing cars, remote control boats, remote control aircraft, etc. Specification: Item Type: Digital Servo Material: Aluminium Alloy Color: Red Servo Size: Approx. 40x20x40.5mm/1.57x0.79x1.59 (without Cable) Operating Voltage: 6‑8.4V Operating Angle: 270 Degrees ±3 Degrees (at 500‑2500usec) Pulse Width Range: 500‑2500usec Neutral Position: 1500usec Rotation Direction: Counterclockwise (at 1000‑2000usec) Deadband Width: 2usec Operating Current: 140‑200mA Torsion: 6V 17.2kg.cm, 8.4V 20.3kg.cm Operating Speed: 6V 0.15 Sec 60 Degrees, 8.4V 0.13 Sec 60 Degrees Application: for 1/10 1/12 RC Car, Robot, Ship, Manipulator, etc.. Package List: 1 x Digital Servo1 x Metal Servo Arms4 x Plastic Servo Arm4 x Screw Barrel4 x Rubber Pad7 x Screws Note: All data are measured manually, and there are certain errors in the measurement results.