wire 8.4 inch Resistive Touch Screen 4 تاچ اسکرین مقاومتی شرکت پیشرو PECIFICATION   MECHANICAL  8.4 inch Diagonal Size 189.0W x 142.0H mm  Outline Dimension / Active Area 4 Wire Number  Optional / Standard included  USB Controller Card Finger or gloved hand (rubber,  cloth or leather) Input Method More than 1 million touches Touch Times 20-80g Touch Activation Force Meet pencil hardness 3H ( per ASTM D3363 ) Surface Durability PERFORMANCE Linearity Error <1.5% Response Speed <10ms OPTICAL   Light Transmission 80% (Meet ASTM D1003 ENVIROMENTAL Temperature Operating Range: -10℃ ~60℃    Storage Range: -10℃ ~60℃  Relative Humidity Operating Range: 0%~90% RH (no dew falls)   Storage Range: 0%~95% RH (no dew falls) Altitude Up to 3,000m ELECTRICAL Operation Voltage Typical + DC 5V Power Supply USB or RS232 Interface Full Duplex USB 2.0(Full Speed) Plug and play compatible   Serial RS-232 Current 5mA - 25mA Resistance 300 Agency Approvals CE, FCC, RoHS Operation System Linux / Dos / Windows ME 95 98 NT4.0 XP 2000 Win7 Win10/ MacOS