Features: Achieve precise motion control with the 5V Stepper Motor and ULN2003 Driver Board, designs for high accuracy in your projects. Featuring a simple wiring designs , this 4 phase stepper motor offers a reduction ratio of 1/64 and operates with minimal noise (<40dB), ensuring stable and reliable Performances. Suitable for electronics engineers, students, and educators who require Precisions control in their project development or educational experiments. Perfect for use in automation equipment such as 3D printers and machines, as well as DIY robotics and home projects. With strong compatibility across various microcontroller platforms, this stepper motor set is essential component for makers and innovators want to explore advanced motor control applications. Specifications: Component : metal Voltages: 5V Diameter: about 30.8mm/1.2inch Package Includes: 1xStepper Motor & ULN2003 Driver Board note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.