Features LED Strip Light: 5050 high brightness LED with consistent high light color and brightness, built in chip, equipped with 1 IO interface, can control multiple LEDs. Serial Cascade Port: One line can complete data reception and decoding, even in low speed cascade mode, the refresh rate is not less than 512. Built in Chip: The chip has built in shaping circuit, signal distortion will not accumulate, the display is stable, and the data reception rate can up to 800Kbps. Excellent Performance: RGB 256 level brightness adjustment, 160,000 color image display effect, scanning frequency not less than 400Hz/S. Easy to Use: The LED light board is reserved for step welding board to facilitate function expansion for subsequent use. Specification: Item Type: RGB Ring Wall Clock Light Material: PCB Outer Diameter: Approx. 78.74mm / 3.1in (Radius) Inner Diameter: Approx. 72.39mm / 2.9in (Radius) Chip: WS2812 (built in LED) LED: 60pcs 5050 RGB full color highlights Voltage: 5V Port: Digital Platform: Suitable for microcontroller Package List: 2 x RGB Ring Wall Clock Light 1 x Pin Header Package List 2 x RGB Ring Wall Clock Light 1 x Pin Header