The adorne Whisper Wi-Fi Ready Switch Master is an innovative cross between a traditional toggle and a paddle switch which appeals to designers for its classic lines and fluid, whisper-soft motion that dims and brightens all types of dimmable lights to your desired levels.Its siimple intuitive programming and ease of installation does not require any master controls, special wiring, or complex training courses. This device communicates with Legrand's patented RF technology.The Whisper Wi-Fi Ready Dimmer Switch Master requires the LC7001 ("The Hub") and can work with its iOS and Android Mobile device app.