... Enery Saving Lamp Tri-Color PBT socket with fire retarded property 8,000h life, OEM & ODM offered Certification:CQC OEXDE Energy Saving LampFeatures ... 180-240V3. Frequency: 50/60Hz4. Optional tube shape: 2U, 3U, 4U, half spiral and full spiral5. Optional color temp.: ... 6400K6. Optional lamp base: E14, E27, E40 and B227. Average life time of 6,000hrs, 8,000hrs, 10,000hrs available Energy Saving Lamp