... 300cd/mm*lens transmission : 90%- 92%*Orientation precision: < 2mm0.080 inch*Single-point touch Life expectancy : more than 50,000,000 ... ,7 Mohs *Dust-proof, explosive proof*Durability:5years Grade A LCD monitor: Brand:LG or SUMSUNG /AUO EtcSize: 15" 17" 19" ... resistive touchscreen, Infrared touchscreen Display15.1' 17.1' 19 ' LCD Samsung,,LG,Philip,SurfaceMetal Baking varnish (5 layers) (Color optional ...