1、5050 RGB LEDs: Adopt 16 pcs 5050 RGB LEDs, featuring 256 level brightness adjustment, 160000 color true color display effect, high consistency of light color brightness. 2、Programmable Chip: Using WS2812 control chip, only one IO port can control multi LEDs, built in shaping circuit, the signal distortion will not accumulate, offers stable display. 3、Serial Interface: With serial interface, the RGB LED light board can complete data reception and decoding through one signal line, simple and convenient. 4、High Performance: The scanning frequency is not less than 400Hz per second, and the data transmission speed is up to 800Kbps. 5、2 Pcs Set: The pack contains 2 pcs this full color LED boards, can be used in multiple scenarios together with the microcontroller, provide cool and fantastic lighting effects. 2 x LED Ring Lamp Board Item Type: LED Ring Lamp BoardMaterial: PCBChip: WS2812 (Built in LED)LED: 16 Pcs 5050 RGB Full Color High BrightnessVoltage: 5VPort: DigitalPlatform: For microcontrollerOuter Diameter: Approx. 46mm/ 1.8in