features / Benefits special Cover Makes Light Invisible To Bugs So They Stay Away, Compact Fluorescent Lamp For Energy Saving; fcc And Ul Certification For 120v/60hz Series, Iec Certificaition For 220v/50hz Series; special Start Up Circuit Design For Above 10000h Life Time, Fast Run-up Performance; high Quality Tri-phosphor And High Quality Yellow Powder Coating For Reseaonable lumen Output And Maintenance; easily Start Up -20deg., Safely Passive Failure At End Of Life; applications ideal For Indoor Lighting, Garden Lighting. specification wattage (watts) incandescent Equivalent (watts) bulb Shape initial Lumen (lm) cct (kelvin) cri mol (inches) bulb / Base Diameter (inches) life Time (hours) voltage (v) / Frequency (hz) base Type 14 60 a19 Yellow Bug 550 2700~6500 82 5 2.37/1.38 8000 120 / 60 e26 14 60 a19 Yellow Bug 550 2700~6500 82 5 2.37/1.38 8000 220 / 50 e26