... getting power from touch screen inside not baffle. Application range:widely applied to various fileds, simplifying user's ... (company introduction/products exhibition),interactive teaching. LCDMonitor size32",42",47",52"(customization is available)typewall-mounted typeScreen ratio16 ... 40°CStorage temperature-10—50°COperating humidity10%—90% ETWOTOUCH 42 inch LCD multi touch display with VGA port/ the ...