... Build-in Model No. DL170PC17" Digital Signage Touchscreen Panel PC LCD Specifications Panel Size17 inchAspect Ratio16:10Active Area: Resolution1440X900ColorBack or SilveryBrightness250cd/m2Contrast ... , post offices, hospital, schools, etc. Public Places: subway, airports, stations, gas stations, toll stations, bookstores, parks, exhibition halls, stadiums, museums, convention ...