Features: Good performance digitalservo, suitable for RemoteControl car, robots. Precision gears, more wear-resistant, not easy to collapse and sweep teeth, etc. Including servo accessories package, spare gear and shaft pin, 25t metal servo arm. A great choice for university professors and students who are interested in developing software for robot parts. Tailored for RemoteControl hobbyists to provide different experiences and delight. Warranty: If there are any problems, please contact our store in time. We will give you a satisfactory solution. Specifications: Item: Digital Servo Control System pwm Pulse width modulation contrd1520uS/333Hz Optrating Voltage 5.0-8.4V Temperature -20C~+60C PMW Volts 3.3-5Vadvised5V Puise Width Angle : 500-2500us180/ 270 180Customizable or default180 Direction Anticlockwise : 500-2500us the opposite rotation is customizable Motor Brushless Dead band 2 usec Gears Inside 416+304Stainless Steel Gears416+30425 Angle sensor Magnetic coding Waterproo IP68551 Signal Digital&8 Programmable support Net Weight 81g (no inclidong accessory) 40x20x41mm Wire length JR300mm Net Weight: Bearing Double ball bearings81g White signal line Intermediate positive electrode negative pole Package information: Package Size: 8*5*3cm Package Weight: 101g Gift Box Package Packing List: 1 *70kg Digital Servo 1* Some Fittings