Feature: 1. The metal gear can withstand higher loads, which can ensure the normal operation of the servo. 2. High efficiency, low noise and low power consumption during operation, high performance. 3. It is made of high‑quality plastic and semi‑aluminum frame, and has undergone precise processing to ensure durability. 4. High precise and accuracy, reliable to use, durable, easy to install and disassemble. 5. There are 5 different servo arms to meet your different needs, fit for 1/8 1/10 RC car and model boat, robot. Specification: Item Type: 24KG ServoMaterial: Plastic + AluminumColor: Black RedSize: Approx. 40x38.6x20mm/1.6x1.5x0.8inWeight: Approx. 78.0g/2.8oz Model: S2400M Locked-Rotor Torque: ≥24kgf·cm at 7.4V Working Voltage: 6.0~7.4V DC No-Load Speed: 0.12 seconds at 7.4V at 60° Operating Angle: 180°±10° (500~2500μs) Mechanical Limit: 210° Operating Angle: CCW (1000→2000μs) Applicable Motor Type: Coreless Motor Fitment:Fit for 1/8 RC CarFit for 1/10 RC Car Fit for Model BoatFit for Model Robot Installation Notes: 1. Install the servo to the base first, without installing the servo arm or servo protection. Only fix the servo to frame. Then connect the servo to the receiver, Generally, the three lines for CH1/ST port are divided into bottom line, VCC, signal/PWN. 2. After the servo is fixed, turn on the remote control and turn on the ESC after setting it, and then the servo will stop at a fixed position 3. Without turning off the remote control and the servo, install the servo protection or the servo arm to the servo output gear. Package List: 1 x 24KG Servo5 x Servo Arm5 x Screw8 x Accessory1 x Manual Note: 1. There will be differences in the installation of different grams of servos, please actual installation shall prevail.2. The accessories provided by the servo of different grams will be different, please refer to the real object in the package.3. Manual measurement, please allow 1‑3mm/0.04‑0.12in error, thank you.4. Due to the difference between different monitors, the picture may not reflect the actual color of the item.