Circel LED Display Advertising LED Display O Series High Definition Outdoor Signboard 8mm;4000 nit Circel LED Displayis a new type of shop signboard, which makes your brand more remarkable and valuable  Features Easy Installation Super Slim  Design,Light weight with only 8.5KG. Smart Mount Bracket with quick installation Round Shape Design Round Shape Design to meet most of logo display; 600mm size in diameter, which is suitable to be installed  in most of streets; Multi Control Method Plug in " N" Plug by using USB. WIFI Controller is available Optional 3G controller