This is a Pixel LED sign board, which uses an array of individual LED pixels to display text and graphics.
They feature high brightness for visibility in various lighting conditions.
Pixel LEDs have three color diodes (red, green, and blue) in a single chip, allowing for multi-color output.
They are commonly used for advertising, events, and creative multi-color lighting decorations.
Options are available in various materials like aluminum or iron and are often waterproof.
