Osram dali pro cont 4 rtc product benefits plugampplay preconfigured for instant use without any startup procedure mains voltage interruption buffer battery rtc version areas of application room control floor control daylight dependent control product features controller for 4 dali lines up to 50 pushbuttonsensor couplers can be integrated integrated dali supply 4 freely programmable switchover relays load contact 4x 5 a daylight dependent andor presence dependent or manual contro