1、MULTIPLE USAGES: 30KG waterproof digital servo, the maximum torsion up to 32kg.cm (7.2V), widely used in robot, robotic arm, climbing car, RC boat, RC plane, etc. 2、HIGH PERFORMANCE: Equipped with high accuracy potentiometer and high resolution digital chip to ensure quick response, low noise, and fast heat dissipation. 3、METAL MATERIAL: Using hard anodized metal gear, with high accuracy, CNC aluminum middle shell to enhance heat dissipation, ensure the servo motor normal operation. 4、CONTROL ANGLE: The controllable angle range is 0‑270 degrees, with good linearity and high control accuracy, and can rotate 360 ​​degrees when power is off. 5、OTHER ACCESSORIES: Equipped with metal and plastic servo arms, waterproof rubber sealing screws, etc., easy to install and remove, with strong practicability. Item Type: 30KG Servo Shell Material: Aluminum Alloy Color: Blue Servo Size: 40 x 20 x 40.5mm / 1.57 x 0.79 x 1.59in (without cable) Running Angle: 270±3 degree (500-2500usec) Pulse Width Range: 500-2500usec Neutral Position: 1500usec Rotation Direction: Counterclockwise (when 1000-2000usec) Dead Zone Width: 5usec No Load Speed: 0.24-0.17sec / 60° Running Current: 140-200mA Peak Stall Torsion: 29.5-32kg.cm Stall Current: 2600mA±10%-3400mA±10% Applicable: 1/8 1/10 1/12 scale remote control car, robot, ship, manipulator, etc. 4 x Servo 4 x Metal Servo Arms 20 x Plastic Servo Arms 16 x Screw Cylinders 16 x Rubber Gaskets 28 x Screws