High light efficiency and energy saving,lifespan over 30,000 hours. 360 degreee beam angle,no dead corner,no flicker,stable luminescence. High quality,made of aluminum aviation and PC plastic to ensure heat dissipation and good resistance to corrosion.Certification:CE and RoHS. Easy Installation,with a standard size E26 screw base. Widely used in homes and hotels,office buildings,museums,jewelery,brand chain stores and other business according to field.