... -C 3w-9w Certification:CE,UL,ROHS,ISO9001 High luminous efficiency and competitive price SpecificationModelWVL(mm)LmD(mm)Base BLD-C ... test before consigmentjProduct approval:CE,UL,ROHS,ISO9001High luminous efficiency and high saving energy efficiencyHigh lumen maintenaicesuper l ong life,five times ...