... of drift Z-axis pressure recognition Short response time 42inch SAW touch screenTransducers mounted on the bevel This new type surface ... the integration processSAW touch screen panel technical specificationTechnologySurface Acoustic Wave (SAW)Sizes42"Resolution4096 x 4096,Z-axis 256, not related with ... than 500,000 hoursAgency ApprovalUL, CE, FCC, RoHS , CB 42inch SAW touch screen