... frame,high optical acrylic as LGP2. Long life span than the traditional light box,80,000 hours3. LED light source,working voltage ... pictures9. Application:Widely used in Airport,bus-stop,image sign,chain store,restaurant,super-market,hopping mall,hotel,bank, ... advertising display and decoration,Our main products cover:light box,crystal light box,mirror light box,x-ray film viewer ,Led writing board and ...