touch screen High Transmission > 99.9% Nice Adhesion, Bubbleless Never Drift,High Stability Structure:Film+Glass+FPC Capacitance Touch screeninput Finger,Glover Finger, ... 5%X,Y Resistance 30Ω-300Ω(snall various by the screen size)Noise 5 m sec-15secoperation current 5mA-25mAinsulation imedance ... glassWe look forward to receiving your early inquiries! Service Capacitance Touch Screen For 7inch laptop