This inline controler dimmer switch offers a convenient way to control LED strip lights at a distance. Choose from 8 levels of brightness, turn lights on or off, or choose a dynamic mode for added effect. Dynamic modes: gradual change, signal light, strobe, breathe, candlelight Does not require a line of sight between the remote and the controller. Voltage: 5-24V, Max Load: 6A, Size: 42x12x3mm, Distance: 40 ft. Bare wire connectors, Retains setting after power loss