Open Frame Touch Monitor. Waterproof and anti-splash. Prevent external interference. High and low temperature protection. High resolution and sensitive reaction. Surface with smooth surface and fog surface treatment, high stability.  Fully closed design without fan All-aluminium case forms huge aluminium radiator to cool the machine.  Fully closed design without fan. All-aluminium case forms huge aluminium radiator to cool the machine.  All-aluminum housing,circulating heat dissipationsystem,stronger stability.