technologiesThe XL-4020RGBC-WS2812B with SMD,2x4mm Light Emitting Diodes (LED) ROHS is a high density LED module manufactured by XINGLIGHT Technologies. This module can emit RGB full color light, and comes configured with a WS2812B chip. It is designed for use with robotics, automated lighting systems, wearable applications, and any other application requiring a highly efficient and reliable RGB LED with SMD,2x4mm. The module is made of high quality materials, and has a RoHS certification to ensure it meets strict environmental standards. The LEDs can be driven by an external power supply, or by an external data source for added versatility. With its low power consumption and high light output, the XL-4020 is an excellent choice for a variety of lighting applications.