... necessary, then use clean water)to clean your monitor.3.Power SwitchWhen you start to use your ... of your hand, increase typing comfort.5.Touch pad and the left and right buttonsTouch screen ... Optional up to 16GB) LCD Screen: 7" digital panel, 800*480 pixels LAN: 10/100M Ethernet Access WiFi ... Enlish 84 key, support external keyboard Mouse&Touch pad: Built-in touch panel, Lef Key, Right Key, and support ...