touch screen High Transmission > 99.9% Nice Adhesion, Bubbleless Never Drift, ... 5%X,Y Resistance 30Ω-300Ω(snall various by the screen size)Noise 5 m sec-15secoperation current 5mA-25mAinsulation imedance ... 0.55mm,0.7mm,1.1mm,1.8mm,3.0mmOperation pressure:10g to 100g(pen tip or finger touchGlass types:plain ... look forward to receiving your early inquiries! Service Capacitance Touch Screen For 7inch laptop