... test equipment5.Long Lifespan6.Play a variety of information like video, word, flash, music, clock, graph7.Easy to install and dismantle ... :super market,, stadium, stage,convention center etc.Specifications:SpecificationP8Item 1 ---LED ChipBrandEpistar ,Opto , Cree , NichiaCountry of OriginTaiwan. United States. JapanSpan life100 ...