Ask for latest offers/availability : https://bit.ly/2ZrURHj It can control LED module, light and so on. It is available for indoor LED, lighting lamp, DIY automotive lights dimming refit.With Single touch, using the principle of capacitance touch. The default function is a switch, dimming, with brightness memories LED touch dimming. It will light slowly when turning on the lights, and become dark slowly when turn off, which effectively avoid the stimulation to eyes.