| 4 wire resistive touch screen with USB/RS232 Controllerspecs:Circuiting Rating:5vDC,35mASurface Hardness:3HLight:film+film>77%Transmission:film+glass>83%Hitting life Expectancy:over 1 millionScoring life Expectancy:Over 100.000Contact Bounce:<10msResolution:4096*4096Operation temperature:-10'c-+60'CLinearity: 1.5% (<1.0% by Request)Choice of glass thickness: 0.7mm, 1.1mm, 2.0mm.3.0mmOperating force: 10g-100g | 
