Wifi controller for controlling the rgbw 9 w led lamp via a smartphonetabletwi fi controller for controlling the 9 w led rgbw lamp item no 6537093 using an androidios smartphone or tablet to be able to use the wi fi controller the moree app free download in app store is also needed any colour or pre set programme can be set and the bulb can also be dimmedfunctions set the entire rgb spectrum incl warm white control the 9 pre set programmes dimming functionality