The controller simply plugs in to your power adapter and SMD 5050 multicolored LED light strip to give you full control over the lights! RGB LED controller utilizes a built-in microphone to produce colors and animations that react to the sounds in your room, and can select 16 colors and 2 pre-programmed patterns: FLASH and FADE. It can adjust the brightness and the speed of colors, and the color of the light will FLASH/FADE according to the beat of music. This music controller is a great controller for bars, parties, or even cars if you want your led lights to respond to your music. We recommend that this controller be used indoors or in a secure enclosure.