... on the back of the caseInfrared touch panel optionalMain specification INDUSTRIAL 21.5inch Embedded Touch Screen Panel PCShipping:1,We are ... factory 2.High quality with best service 3.With A grade branded LCD panel 4.CE,FCC,CCC,ROHS,ISO9000Applicable fieldBusiness ... , Audio-outx1, USBx1Color SystemPAL/NTSC/AUTO Product Features1. Adopt A grade 335 standard full new and original factory packing screen.2 ...