LightwaveRF WHITE wireless mood lighting controller master switch. Use to create and control mood lighting scenes. This can be controlled by PC or smartphone when used with the WIFI link controller. This controller is great for creating sophisticated mood lighting effects. Set and save the dim levels in seconds, and enjoy instant lighting scenes every time you enter the room and hit the switch. With a one touch of the All Off button, every light, lamp or socket is switched off as you leave the room. The Master Wall Switch is completely wireless and can be placed anywhere you want. The LightwaveRF Connect Mood Remote Control has the ability to switch on-off or dim up-down any number of LightwaveRF devices simultaneously including dimmers and sockets.