Intel atom n450 1.66 ghz processor Highquality 12.1''led backlight panel withtouchscreen (1024x768)resolution Function keys for 0%-100% brightnesscontrol Built-in antenna , loudspeaker Ip65dustproof and waterproof seals Rugged aluminum enclosure and fanless design Stable and wide range 9-30vdc input Wide range -30~70¡æ operation temperature Expansion module£ºwifi, gprs, gps, 3g, bluetooth. Applications : ports&yards , vehicles , fleet management, logistics , fork lift .