The HD8812-4020 is a side view pixel rgb led with IC inside, it is same protocol with sk6812/ws2812b/lc8812/apa104/apa105, it has one data line, two power lines, 10mm width PCB, 256 gray scale. One led 1 pixel cuttable. Light up with the controller, you can achieve gradient,water horse racing,text,numbers,chase English,pictures,animations video any effects. For 5V IC built-in side view led strip, we have HD8812-4020 Digital Side LED Strip and addressable HD8812-4020 side rgb led strip.