... support above 20 applicationsPower Supply External switch power 8.5V/2.5AInput 100V240V AC,50/60HzOutput: DC8.5V±5%, the ... kilometers (above 250,000 pieces receipts)LCD800*480 7 inches Colourful TFT ,with touch screen, support hand-writing input, 65K level ... )Program LanguageStandard C, support Second DevelopmentLanguageSupport English and China 2 level word ,when is Chinese Input through the PINYIN ...