20 Watts DALI bus dimmable constant current led driver, DC 50V

20 watt DALI  bus dimmable constant current led driver, Digital Addressable Lighting Interface LED driver. DALI Control system is a complete building-wide digital lighting control system built on the DALI, Digital Addressable Lighting Interface and Ethernet international standards. RS-232, RS-485 controller lights, DALI LED Lights, DALI Dimmable LED lights driver.