XKTTSUEERCRR 44 Key IR Remote Controller For 3528 & 5050 RGB LED Light Strip 1. For 5 meters RGB LED light strip, allowing you to adjust brightness, customize light color, set fade in/out and flash rate 2. 16 colors, 5 lighting pattern: Static/Flash/Strobe/Fade-change/RGB Smooth-change. 3. 6 DIY keys, you can adjust the R/G/B color freely 4. Other tri-color, common anode LEDs may be used if configured to work with 12V DC supply voltage by means of voltage dropping resistors 5. IR remote controller uses a CR2025 battery and requires a 12V DC power supply (not included in the package)