Features: 1, type: android version 2, case: metal materials 3, optional:android os, windows os, touch screen, logo printing, apk installation 4, optional color: black/oem 5, optional size:42inch, 46inch, 55inch, 65 inch 6, application: financial institutions, business organizations, and public places, etc 7, split screen: pictures+videos+rolling words showed in a same screen, such a unique display bring more business opportunities for advertisers operators. It can realize various media ads broadcast at the same time.