What a RGB LED controller do? How do you control RGB LED lights?
RGB led strip lights, RGB color change led module string lights, etc. are need RGB controller to change colors. Typically, RGB controllers are compatible with RF, WiFi, or Bluetooth wireless technology, to realize remote control LED lights. Choose a control mothod that you prefer, RF handheld remote control, mobile APP control, or touch panel control.
Know more: How to wire RGB led strip lights?