... tube 2.80% energy saving 3.High luminous flux 4.Low heat radiation 60w High power full spiral CFL :OYC-FS-7 WattageBaseAverage ... testing in radom before shippment5.Many years OEM experience6.Supply voltage: 100~130V/50-60Hz, 220-240V/50~60Hz 7.Average ... :Home, Offices, Shops, Department Stores, Clubs,Restaurants, Hotels, Supermarkets 60w High power full spiral CFL