LED Poster screen GOB /case

 1,Poster display screen Floor standing, on the wall, into the wall, Hanging are all achievable,Easy Control by USB, WIFI, 4G, APP, HDMI Ultra Light & Thin , Interchangeable modules Airport, high-speed rail station, subway station, hotel,bank, hospital, shopping mall, etc)
2 , GOB  will can water proof，anti-collision，