Pushbutton coupler with 4 inputs to connect standard potential-free switches or pushbuttons. Each input can be individually configured with target address, button behaviour and DALI commands. Besides the standard functions, dimming, switching, scene recall, etc., predefined macros such as setting the colour temperature, dynamic scenes and sequences as well as user defined command lists are supported. The device is designed to fit behind a switch in a flush-type installation box. In addition to the configuration with the DALI Cockpit PC Software, selected settings are adjustable using a NFC ready smartphone and the Lunatone NFC App.