Product Name: Energy Saving Light BulbsModel Number: GTL-2UPlace of Origin: ChinaFeatures: 1) Base materials available: aluminum, copper coated with nickel or iron coated with nickel 2) Holder materials available: PBT or PC 3) Halogen powder and tricolor powder available 4) Power: 5 - 22W 5) Voltage: 100 - 127V / 220 - 240V 6) Frequency: 50Hz / 60Hz 7) Color temperature: 2,700K / 4,000K / 6,400K 8) Power factor: 0.55 9) IRC: >80 10) Diameter: 9mm / 12mm 11) Average usage life: 8,000 - 10,000hrs 12) Colors available: daylight, warm light, blue, green, red, purple 13) Bases available: E14 / E26 / E27 / B22 Inner packing: Color box with blister pack Outer packing: Carton