1APPLICABLE 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. 2STRONG 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. 3HIGH PERFORMANCE: High accuracy potentiometer and high resolution digital chip with stable performance, strong anti interference ability, quick response speed, more delicate and smooth control. 4MAIN FEATURES: With 40KG high torque, 25T number of teeth and high speed operation, the digital motor has strong practicability and high reliability. 5SERVO ARMS: The 40KG digital servo set contains plastic and metal servo arms to meet your needs and bring you convenience for installation and use. Item Type: 40KG Digital Servo Shell Material: Aluminum Alloy Product Color: Black Product Size: 40x20x41mm / 1.6x0.8x1.6inProduct Weight: Approx. 88g / 3.1oz Number of Teeth: 25T Rotation Angle: 180 Dead Zone: 3s Working Frequency: 1520s/330hz Working Voltage: 5V-7.4V Speed (6V): 0.2 Second/60 Speed (7.4V): 0.18 Seconds/60 Locked Rotor Torque (6V): 36kg/cm Locked Rotor Torque (7.4V): 40kg/cm Plug: JR Plug Applicable Models: Suitable for 1/8 1/10 RC Car and RC Robot, such as for SCX10 1 x Servo 5 x Plastic Servo Arm 4 x Screw Barrel 4 x Rubber Pad 1 x Metal Servo Arm 7 x Screw