... OEM experience 3.more than 8000H 4.Base Type:E27 B22etc full spiral type,energy saving light,cfl full spiral :OYC-FS ... testing in radom before shippment5.Many years OEM experience6.Supply voltage: 100~130V/50-60Hz, 220-240V/50~60Hz 7.Average ... , Offices, Shops, Department Stores, Clubs,Restaurants, Hotels, Supermarkets full spiral type,energy saving light,cfl full spiral