rgb 60W(20*3) DMX512 constant current driver,waterproof, AC220V input,DC40-72V/320ma output rgb 60W(20*3) DMX512 constant current driver,waterproof, AC220V input,DC40-72V/320ma outputmodel number: AT2930D rgb 60W(20*3) DMX512 constant current driver,waterproof, AC220V input,DC40-72V/320ma output