The SRI RGB Oval Rock Light kit consists of (4), rock lights, quick connect plug-ins, and a control box as well as access to our smartphone app allowing you to change the colors, patterns, and intensity of light output via Bluetooth technology. Each rock light consists of three, 9 watt led chips producing 500 lumens/light! These lights are the perfect addition for your ski boat, fishing boat, ATV/UTV, or vehicle, allowing you to have any color desired as well as set them up to strobe to the beat of your music!