50Pcs LED Pixel Module String Round RGB WS2811 IC 12mm Digital IP68 DC 5V

IC Model: WS2811 IC. Model: WS2811 LED pixel string. 1x50pcs WS2811 LED pixels string light. Waterproof: IP68 waterproof. Otherwise, it will burnt out. Power: 0.3W per pixel. There are small arrows on circuit board to show the direction of the data flow.

eBay