... 3)High luminous efficiency and wide range of voltage(110-250v).4)Quich star,No flash,soft light,no noise,no ... strobosopic,eye care.5)More compact and application6)Many choice color:red,white,blue,green ... Various designs(U type/Spiral type/Tower shape/Lotus shape) and color temperature(2700-8000K) available8)Suitalble for: factories,storages,supermarkets,stations ...