Easy to use: just use your finger to touch the power icon,it is be widely used in led lamp adjust brightness. The touch time is less than 3 second, it is on/off switch function. The touch time is more than 3 second, it is dimming function, the brightness will be raise to highest or fallen to lowest. Maximum current: 2A, ideal for led cabinet light, led rigid bar, led strip and led panel light and USB fun. The cord length is 1m in total,including the touch panel. Package include: 2 Pieces of Dimmer Cord