... Touch screeninput Finger,Glover Finger,stylusMaterial ITO Glass Thickness 0.7;1.1,1.8,2.0,3.0mmITO Film Thickness ... ,000,000Nib 0.8mm,playing key load 100g,hit the speed button 5 times/secOptical Light Transmission>80%Circuit grade:5V ... to receiving your early inquiries! Service Capacitance Touch Screen For 7" laptop