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Size: 1.8", 2.1"~12.1", 15", 17", 19", 21" touch screen, customer size touch screen. 4-Wire resistive touch screen is the preferred solution for low cost applications. It is made up of high resistive ITO film and ITO glass/film that is separated by small spacer dots, it has the characteristics of thin, light, low power consumption, reliable, dustproof, moisture proof and oil proof. It's a reliable and affordable technology that is widely used by individuals and in less demanding workplace applications. Touch screen Specifications Touch Type: 4-Wire Resistive touch screen Screen Sizes: 1.8"-21" Diagonal Cable Interface: PC Serial/COM Port or USB Port Touch Resolution: 1024 x 1024 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: Over 1 million Temperature: Operating Temperature: -10º C ~+60º C Storage Temperature: -20º C ~ +70º C Choices of Glass Thickness: 0.7mm, 1.1mm, 2.0mm, 3.0mm, 5.5mm, 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
Iphone 4 touch Screen