... 26'', 32”,37”,42”,52” etc Touch screen:SAW or infared touchscreen or resistive touchscreen. Surface Acoustic Wave touchscreen* Resolution: 4096*4096 ... Life expectancy : more than 50,000,000 times*Surface hardness: equivalent to glass,7 Mohs *Dust-proof, explosive proof*Durability:5years ... , free of charge Cabinet: Steel cabinet sprayed metallic paint or plastic-spray,1.5-2.0MM steel,moisture-proof,anti ...