Features: The MAX7219 Dot Matrixes Module is 8 in 1 display module for integration microcontrollers, offering efficient control of 8x8 dot Matrixes displays for dynamic and clear visual output. Featuring with operating voltages of 5V, this module supports cascading multiple units, allowing for expanded display capabilities without compromising performances, making it for complex projects. for electronics enthusiasts, engineers, educators, and project developers, this module provide solution for those lookings to innovate in digital display technology. for use in information display screens, clock displays, and electronic teaching experiments, the MAX7219 module enhances any project requiring precise LED control and visualization. With its low power consumption and user friendly interfaces, this module ensures performances, making it a staple component in any electronics toolkit. Specifications: Materials: Plastic Package Includes: 1Set MAX7219 Dot Matrixes Module note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item. Thank you!