The HC-F5V-F12-WS2811 RECTANGLE is a type of full color pixel module developed by Worldsemi. It is powered by a WS2811 chip, which is a constant current signal processing IC with a three-wire (5V DC) drive interface. This module contains an RGB LED with 12 LEDs and one WS2811 IC. The module features a compact size and low power consumption, and it is capable of displaying various colors and gradients. Each module can produce up to 16,777,216 colors, giving it a wide range of color options for applications in illumination and decoration.