... 85 and a life-span of 18000 hours.Saving 80% energy than traditional lights like mercury light, sodium light, and metal ... years guarantee for ballast.Application: The ballast separated series electronic energy saving lamp is widely used in factories, plazas, courtyards, ... hotels, supermarkets, schools, and others. Lotus real power 65W power saver electricity saving light ESL OEM or ODM CFL long life ...