Detailed Description  Size: 2.8"Outside Dimention:89.45mm*49mm Viewing Area:44.2mm*58.6mmActive Area:43.2mm*57.6mm Characteristics Conditions Item simulativeresistvietouch panel digital touch panel Structure Item ITO FILM + ITO FILM ITO FILM +ITO FILM+ITOGLASSITO FILM + ITO GLASS Surface Material Anti-glarecoating,glare coating ITO FILM Thickness 0.100mm0.125mm0.175mm0.188mm ITO GLASS Thickness 0.55mm0.70mm1.10mm2.00mm connect manner Soft circuitry panel Zebra paper circuitry panel Operating Voltage ≤5V(DC) Linearity degreefit for Simulation T/P Linearity ≤1.5 Response Time ≤10ms Surface hardness 3H Pencil hardness JIS K5600 test manner Tolerance of Outside Dimension 0.2mm Operating Force 10~100g Operating Life Tapping 106times pen sliding: 105times Optical Clarity Film and glass ≥80 wavelengh 550nm Operating environment -20~7020%~90% RH Storage Environment -30~8020%~90% RH