Robust monitor (CE42LM6R, CE42LM6DPB, CE52LH2R) The robust monitor can be used in a wide variety of environments for dusty and oily circumstance such as fast food, digital signage, industrial and public display. - NON GLARE ACRYLIC PANEL This monitor set has a non glare acrylic panel. This offers the protection for the panel surface in the public display applications and easy to clean the panel. - ALUMINUM CABINET & NON HOLES DESIGN This monitor set uses Anodized aluminum and it has quite unique “Non-Holes” ventilation design which protects against mischief in the public display applications and less maintenance when used in a dusty or oily environment.