The Ltech M1+M3 pack is a complete standalone controller kit comprising of a remote control and a 3A receiver with a max output of 216w. The M1+M3 is wireless and has a range of up to 30 meters. From the remote you can control the brightness of the led along with saving dimming levels into the preset buttons. The M1+M3 controller is ideal for smaller runs of single colour led strips.