... : 2,700/4,000 and 6,500K Base: E27/E14 Rated voltage: 120V, 220 to 240V Specifications: ... temperature: 2,700/4,000 and 6,500KBase: E27/E14Rated voltage: 120V, 220 to 240VAverage life: 8 ... control throughout the production processLow light decline and low energy lossFlicker free instant startHigh lumen output, excellent luminous ... testing before shipment T3 2U T3 2U Energy Saving Lamp with E27 Base Type