... LCD advertising display 1,17"-65", Android OS, WIFI / Lan / 3G 2,Multi-ZONE, RSS 3,High Brightness,Metal case LCDSize55"Display ... glass + aluminium frame + cold rolled steel body.Design and constructionLangxin advertising machines are made of alloy enclosure ... mirror glass, with high grade craftmanship, and delicate design; The alloy enclosure endures high temperature,aging resistant, ...