... , ROHS certification. touch screen, touch panel,touchscreenTouch screen saw for 37" Thickness=4MM SpecificationOutside Dimension868×510mmviewing area828×469mmActive area820×461mmResolution4096×4096Thickness4mmTransparency90 ... storage temperature-2570Humidity10%90%40OperationAltitude3000 meter Touch Screen, touch panel 37"(SAW)