Feature:1. APPLICABLE MODELS: The digital servo is used to change the torque, speed and angle of RC toys, robots, manipulator arms and other remote control toys, suitable for 1/8 1/10 RC Car and RC Robot, such as for SCX10.2. STRONG DURABILITY: The RC motor servo adopts extremely strong stainless steel gears and a full body metal shell, ensuring long service life, durability and high accuracy.3. HIGH PERFORMANCE: High accuracy potentiometer and high resolution digital chip with stable performance, strong anti interference ability, quick response speed, more delicate and smooth control.4. MAIN FEATURES: With 40KG high torque, 25T number of teeth and high speed operation, the digital motor has strong practicability and high reliability.5. SERVO ARMS: The 40KG digital servo set contains plastic and metal servo arms to meet your needs and bring you convenience for installation and use.Specification:Item Type: 40KG Digital ServoShell Material: Aluminum AlloyProduct Color: BlackProduct Size: 40x20x41mm / 1.6x0.8x1.6in Product Weight: Approx. 88g / 3.1ozNumber of Teeth: 25TRotation Angle: 180Dead Zone: 3sWorking Frequency: 1520s/330hzWorking Voltage: 5V-7.4VSpeed (6V): 0.2 Second/60Speed (7.4V): 0.18 Seconds/60Locked Rotor Torque (6V): 36kg/cmLocked Rotor Torque (7.4V): 40kg/cmPlug: JR PlugApplicable Models: Suitable for 1/8 1/10 RC Car and RC Robot, such as for SCX10 .Package List:1 x Servo5 x Plastic Servo Arm4 x Screw Barrel4 x Rubber Pad1 x Metal Servo Arm7 x Screw