RGBWY-LED Equipped with a YELLOW LED, achieving vivid yellow color emission. Reserve Function Reserve the next lighting color on the crown and jump to it with a single push. Hot Button Jump to the color registered on the Hot Button with a single push. Memory Function This function can be used only with the device's operation. The color changes every time you press the switch. You can select from 25 colors and freely create and memorize patterns, including the order and number of colors. It is possible to switch between the created patterns and the default patterns.