Haisheng 20BYJ PM stepper motor with gear box is a type of motor that is widely used in various industries. It is a compact and reliable motor that is known for its precision and accuracy. This motor is designed to be used in a variety of applications, including robotics, automation, and control systems. One of the key features of the 20BYJ PM stepper motor with gear box is its ability to move in small, precise steps. This makes it ideal for applications that require precise positioning, such as in CNC machines and 3D printers.