A DALI-2-certified lighting control unit for flush-mounted installation that enables manual switching and brightness adjustment (1…100%) of luminaires with a DALI interface. Featuring a touch-sensitive glass surface for fine adjustment and four preset brightness levels (10%, 30%, 50%, 100%), it supports up to 25 DALI ballasts directly or up to 100 when four rotary dimmers are connected in parallel. It allows synchronised manual operation from multiple control points without software or an app, and makes it possible to save up to four manual settings.