1) 80% energy saving 2) Long lifespan 3) Trichromatic lamp 4) High light output and excellent color rendering Optional Voltage: 110 to 130V or 220 to 240VFrequency: 50 to 60HzTube diameter: 9mmOptional color temperature: 2,700 - 6,400KAverage lifespan: 6,000 and 8,000 hoursOptional base: E27, E26, E14, and B22Trichromatic lampApplications: shopping malls, table lamps, pendent lamps, supermarkets, ...