Features Full Color Light --- Equipped with 8pcs RGB high brightness LED, the full color ring lamp board will build a beautiful lighting effect. Smart in Control --- Wide in compatibility, the LED lamp module can work with various real time microcontrollers for easier control. Good Decoration --- Allows for extensive application on LED decorative lighting, indoor and outdoor, video, irregular screen and so on. Including 4pcs --- There are 4pcs RGB ring light board, which enables more flexibility in your room decoration, satisfying your needs. Easy to Install --- Comes with a light weight and a compact size as well, the RGB light module is easy to install within minutes. Specification: Item Type: LED Ring Lamp Board Chip: WS2812, built in LED. LED: 8pcs 5050 RGB full color highlights. Voltage: 5V Port: Digital Platform: Microcontroller. Outer Diameter: Approx. 32mm / 1.26in Inner Diameter: Approx. 18mm / 0.71in Package List:4 x LED Ring Lamp Board Package List 4 x LED Ring Lamp Board