... display PC 1.4/5 wire single-touch 2.android based OS 3.built-in WiFi,camera 4.portrait ... mode,16:9 15'' android based ditital display PC1.one-touch/single touch screen2 ... 5 wire resistive single-touch screen,2.built-in Android 2.3 OS3.built-in WiFi&intenet4.white/black ... color for option5.16:9 aspect ratio,portrait mode6.swivel stand, ...