This switch has two sliders: one allows you to control the color temperature of K-Range Strip Light and the other dims the strip light. With this wall switch you can choose the exact shade of white for your lighting, as well as dim the lights from 100 to 5 percent. The switch features a four-prong connector that plugs directly into the K-Range Tunable Strip Light or the K-Range Strip Light 1 Meter Extension. It also features two lead wires to connect to a 12V power source