5 wire touch screen Specification: Touch Type: 5-Wire Resistive touch screen Cable Interface: PC Serial/COM Port or USB Port Touch Resolution: 4096 x 4096 Response Time: 10 ms. Maximum Activation Force: 10-100 grams per square centimer Positional Accuracy: 3mm maximum error Light Transmission: Film +Film>77% Light Transmission: Film +Glass>83% Scratch Resistance: 3H pencil hardness Life Expectancy: >10,000,000 Hitting Life Expectancy: Over 35 million Scoring Life Expectancy: Over 5 million Temperature: Operating Temperature: -10?C ~+60?C Storage Temperature: -20?C ~ +70?C Choices of Glass Thickness: 0.7mm, 1.1mm, 1.8mm, 2.0mm, 3.0mm, Normal Glass, Chemically strengthened glass Chemical Resistance: Alcohol, acetone, grease, and general household detergent Software Drivers: Windows XP / 2000 / NT / ME / 98 / 95, Linux, Mac OS