... Luminous Flux:680-800lm 4. Warranty: >50,000h 2ft 9W T8 LED Tube Light Widely used in the hotels, advanced clubs, underground car ... constant current driver, which is safe, reliable and high power factor;2) Special heat dissipation design and professional thermal management ... 50,000hours;9) Energy saving lower power consumption, 50% energy saving compare with fluorescence tube;10) No danger of broken ...