Southern Trails RGB Rock Light Kit contains high intensity 3W LED chips per light which will create a brighter light under lower energy consumption. These lights have a quick bluetooth connection and offers 16 million colors that you can DIY different lighting scenarios, by switching up its color, brightness, and flicker frequency, and also changing the lights to follow the rhythm of your style of music. With its upgraded APP, you are able to control 1-4 sets of rock lights with only one phone. Its IP67 waterproof rating, dust-proof and rust-proof construction make these lights a great purchase! A 10 foot extension cable sold separately for this RGB Rock Light Kit.