A servo motor is a type of electric motor that can rotate an output shaft at precise angular speeds in response to pulses of input signal. It consists of an electric motor, a feedback device, and a controller. They are able to accommodate complex motion patterns and profiles better than any other type of motor. Although they are small in size they can pack a lot of power, and are extremely energy efficient. Servo motors for sale online have many benefits that make them an attractive choice for a lot of different industries. They are precise and accurate, which makes them ideal for tasks where accuracy is important. Servo motors also have high torque, which is perfect for applications that require heavy lifting or pulling.