As one of professional high quality 60W Constant Current DALI Dimmable LED Driver manufacturers, you can rest assured to buy 60W Constant Current DALI Dimmable LED Driver from STARWELL and we will offer you the best after-sale service and timely delivery. DALI (Digital Addressable Lighting Interface) is an International Standard for the control of electronic ballasts, transformers, LED's, emergency lights and exit signs in an easy to manage digital lighting control system.