... with excellent heat dissipation, T8 specs, inner high efficiency constant current driver, and high brightness light source SMD5630,with less ... resistant, Instant start3, Isoltated driver with 37.5k high voltage testing approved. To use passed Fire Rating of UL-HBF ... .4,140degree view angles LED lighting design5,With heat protection system, can work under unstable voltage6,Power factory >0.957,Color ...