... , Bubbleless Never Drift,High Stability Structure:Film+Glass+FPC Capacitance Touch screeninput Finger,Glover Finger,stylusMaterial ITO Glass Thickness 0.7 ... <1.5%X,Y Resistance 30Ω-300Ω(snall various by the screen size)Noise 5 m sec-15secoperation current 5mA-25mAinsulation ... >1,000,000Nib 0.8mm,playing key load 100g,hit the speed button 5 times/secOptical Light Transmission>80%Circuit grade ...