This sound sensitive IR LED controller for RGB strip light can select 16 colors and 2 pre-programmed patterns; FLASH and FADE. It can adjust the brightness and speed of colors, and the color of the light will FLASH/FADE according to the beat of music. Install this party controller and power up your weekend! Package included: 1 x Sound Sensitive RGB Controller 1 x Remote Controller with battery Q: I have a single color RGB strip light. Can I use this controller? A: Yes, you can also use it for 3528 LED. Max. length of the strips are: 10m x1 of 3528 120LED/m, and 20m x2 of 3528 60LED/m.