... or infared touchscreen or resistive touchscreen. Surface Acoustic Wave touchscreen* Resolution: 4096*4096, zaxis256 grade* Material :pure tempered glass*Brightness: ... ,7 Mohs*Dust-proof, explosive proof*Durability:5years Grade A LCD monitor: Brand:LG or SUMSUNGSize: 15" 17" 19" 22" 32 ... Aspect ratio: 4:3/16:9For 15,17inch screen, Max resolution:1280x1024,Brightness: 260cd/m2 ,Contrast: 450:1 Size and ...