The Ltech M8+M4 pack is a complete standalone RGBW controller kit comprising of a remote control and a 3A receiver with a max output of 288w. The M8+M4 is wireless and has a range of up to 30 meters. From the remote you can control the RGBW colour changing led strip along with saving scenes into the preset buttons. The M8+M4 controller is ideal for smaller runs of RGBW colour changing led(15 Meters Max XD60 RGBW)