This inline dimmer switch offers a low-profile way to control LED strip lights. Control brightness, turn lights on or off, or choose a dynamic mode for added effect. Installation is simple, just connect it between the driver and the strip. Use this with strip lighting that uses a barrel connector, such as single color ABI LED strip light kits. Voltage: 12V, Max Load: 6A (72W) Retains setting after power loss Dimensions: 40x12x5mm Instructions: Hold the middle button for 2 seconds to turn on/off Press the bottom button (LIGHT) to enable static mode, when in static mode the middle button cycles through 8 levels of brightness Press the top button (MODE) to enable dynamic mode, when in dynamic mode the top button switches between 8 dynamic effect modes and the middle button switches between 10 available speeds for the dynamic effect Connectors: 5.5x2.1mm Male and Female