touch screen High Transmission > 99.9% Nice Adhesion, Bubbleless Never Drift, ... Finger,Glover Finger,stylusMaterial ITO Glass Thickness 0.7;1.1,1.8,2.0,3.0mmITO Film Thickness 0.188 ... 5%X,Y Resistance 30Ω-300Ω(snall various by the screen size)Noise 5 m sec-15secoperation current 5mA-25mAinsulation ... look forward to receiving your early inquiries! Service Capacitance Touch Screen For 7 inch laptop