... IPC,PA,waterproof&windproof system,etc 2.you can install it to a truck directly LED Display Box ... procedure for you3.You can install it to a truck directly, and then it can play any multi- ... , information with various forms and categories,etc); Also can live broadcast events; play TV signals, games, Karaoke ... ,etc4.It can work under High & low temperature and other atrocious ...