LED Starry Sky Ceiling: Utilizes COB integrated LED modules, a DMX512 control system, and a diffusion optical film. PWM dimming technology achieves deep dimming, and can be combined with starry sky algorithms to create special effects such as shooting stars and constellation lines. The latest naked-eye 3D version uses a microprism array to create visual depth, but direct illumination from the LED chips can easily produce glare, requiring a secondary optical lens.