Stand Alone LCD Display equipes with FHD LCD screen, The stand alone digital signage advertising player uses full original LCD panel , it supports multi kinds of interface,like USB,HDMI, LAN,SD slot and ear jack. The Digital Signage Advertising allows you play different kinds of media file like video, images, audio, txt and scrolling subtitles etc. So These functions have it with best digital signage, the standalone digital signage is freely used in shopping mall, hotel, railway station,retailing store.In these locations, the digital signage can display price tag, hot sales and promotion. For the operation OS of stand alone digital signage,it allows you use Android OS & Windows OS, It depends your requirements according to the actual situation. For Android OS, Marvel built in CMS for advertising, mostly it is a digital signage player to play advertisement. The CMS is a cloud base sever, whenever and where you are, you always can remote control the display via internet.And the cloud base CMS is totally for free as long as you purchase the stand alone digital signage from Marvel company. For after-sales service, you can contact with Marvel technical team once you get any issue or questions for the products, they can reply you in 24 hours working days. For the price, cause Marvel has their own factory for making case and has structure engineer team to design products, So Marvel can provide best price for you to help you get best profit for your business.