17 inch 4 wire Resistive touch screen > Can withstand more than 1,000,000 point > 4096x4096 Resolution > USB or RS232 Interface > High accuracy and sensitivity > Glass + Film or Film + Film Material > Finger, gloved hand and touch pen activation > Operable in various light conditions, indoor and outdoor > Our products have passed CE, FCC, ROHS certification! Produt Specification Interface Type: USB or RS232 Resolution 4096x4096 Screen Ratio 4:3 Material Glass + Film or Film + Film Certificates CE, FCC, RoHS Input method Finger or touch pen Position accuracy 1.15~2.5mm Operating Voltage DC ≤ 10V Operating current 5~25mA Response time Less than 10ms Touch action force 20~100g Operating temperature -10°C~60°C Storage temperature -20°C~70°C Surface hardness 3H Working environment Under sunlight, indoor and outdoor Transparency ≥80% Isolation resistance ≥20MΩ DC 25V X.Y resistance 100Ω~1000Ω according to the size Linearity ≤1.5% The number of hits ≥1,000,000/point Warranty 1 year Support Systems Windows 2000/Windows XP/Win 7/ Win 8/Windows NT/Linux/Mac