Luminous flux: 460 and 440lm Color temperature: 2,700/4,000 and 6,500K ... luminous fluxAdvance ballast design and reliable long lifespanMore safe with end of life protectionCost savingAppearance: T3 2UPower: 9WLuminous ... such as 5S, SPC, QMS, QC and together with comprehensive quality control throughout the production processLow light decline ... shipment T3 2U T3 2U Energy Saving Lamp with E27 Base Type