... High quality, High efficiency ,High stability 2.Adjustable voltage and current ,Wide input voltage . 3. 3 years Warranty T5 LED ... start, no flickering, no humming 4. High efficiency, constant current driver, with heat protection system 5. Tube life is longer than common ... voltage 9.Warranty:3 years 10. With LED driver made by own factory what constant current and constant voltage. 11.Integration ...