ITEM NAME:DS3218PRO 20kg Metal Gear Digital Steering Servo For RC Baja Car Robot DS3218PRO 20kg Metal Gear Digital Steering Servo For RC Baja Car Robot Specifications: Material:Plastic + Aluminium + Steel Size:5x5x3cm Color:Red Torque: 21kg.cm @5V and 23.5kg.cm @6.8V Speed: 0.12S/60 °Ã‚ @5V and 0.09S/60 ° @6.8V Operating Voltage: 4.8 ~ 6.8 Volts Dead brand: 3ÃŽ ¼s Weight: 75 g Motor Type: DC Motor Gear Type: Copper & Aluminum Working Frequencies: 50-333Hz Operating travel: 180 ° (PWM 500-2500ÃŽ ¼s) Teeth Count: 25T Servo Arm/Horn Description: Material: Aluminium Teeth Count: 25T Center to hole distance: 19.5mm and 23.5mm Features: This servo is 180 ° capable but needs the required signal indicated above to do it (PWM 500-2500ÃŽ ¼s). When installed in a normal RC car it will typically do the normal 60 ° that the receiver commands so it's suitable to RC cars but also robot arms for example that require the 180 ° of actuation. High-precision Stainless Steel gears CNC aluminium middle body Dual ball bearings Waterproof housing with o'ring sealed top and bottom cases. Package Included: 1x Digital Servo 1x 25T Adjustable aluminium servo arm Notes: The colors may be a little difference for the different monitor display. Please allow minor deviation due to manual measurement. Item Show.When installed in a normal RC car it will typically do the normal 60 ° that the receiver commands so it's suitable to RC cars but also robot arms for example that require the 180 ° of actuation. 1x 25T Adjustable aluminium servo arm.