1: USB version: No OS, each display includes an integrated media player that will accept 

                    CF or SD media cards or USB memory sticks.

1). Use our application where a continuous display of images and where the data is 

    only changed occasionally but with ease, then this is a very cost effective solution.

2). Simply power on the digital poster, the screen automatically starts playing the 
    images, video and music files that are loaded onto the internal memory card.

3). You can set the play order and interval time of each slide and start and stop times, 
    giving you complete control over every aspect of your digital presentation.

2: Android version: It’s Android OS computer and advertising machine. Customer can use it as an Android computer play game, visit website......etc.

Also welcome to use our publish software make advertising program it to show on screen.

1). Android OS play advertising program (include video, music, flash, pictures, words, website etc.) via internet.

2). Or,if your Server have not static IP, then you must keep your terminal machine(Android OS) with Server computer in one LAN (Local Area Network).

Hardwar options: Touch screen; I/O ports(HDMI,DVI,VGA), 3G/4G network connectivity are welcome.