1) very thin,high brightness,long lifetime for 20000 hours 2 ) ... fault rateGraphic replaceableCE,RoHs compliantLED Box, LED light boxType: 1.Crystal led box (1)Common (2) Magnetic 2.Magical Mirror (1) one pic. (2) multi ... be optedApplication:Bar, Supermarket, Metro, Hotel, Bank, ect. led advertising box sign