Intelligent reverse connection protection ensures that power reverse connection will not damage the IC. The IC control circuit and the LED share a power supply. The control circuit and the RGB chip are integrated in a 3528 package to form a complete externally controlled pixel. Built-in signal shaping circuit; each pixel receives and reshapes the signal before output, preventing cumulative waveform distortion. Built-in power-on reset and power-down reset circuits. Each pixel achieves 256 levels of brightness, enabling full display of 16,777,216 colors with a scanning frequency of at least 400Hz. Serial cascade interface allows data reception and decoding through a single signal line. No additional circuit is required when transmission distance between any two points is less than 5 meters. At a refresh rate of 30 frames per second, supports no fewer than 1,024 cascaded points. Data transmission speed up to 800Kbps. High color consistency and cost-effective. Color: white Material: plastic Package Contents: 100 x RGB Symphony LED Only the above package content is included; other items are not part of this package. Note: Lighting and different displays may cause slight variations between the color in the image and the actual item. Measurement may vary by +/- 1-3cm.