... zoom in/out, display rotationWithstands severe environmentsStable, no-drift calibration performanceVandaproof and abrasion-resistant screens, ideal ... rubber ,cloth or leather)Touch TimesUnlimitedTouch Activation ForceNo minimum touch activation force is requiredMinimum Touch Object2.5 ... 9600, 8 Data Bits, 1 Stop Bit, No Parity Power<1.5W, operating current<300mAElectrostatic Protection15 kV ...