For Symbol MC9000 MC9060 MC9090 touch screenSKU:OBGB000021SpecificsType: Four-Wire Resistive Touch ScreenMaterial: Size: EnvironmentalTemperatureOperating: -10°C to 60°CStorage: -20°C to 70°CRelative HumidityFunctional operating limits: 90% RH at max 50°CFunctional storage limits: 90% RH at max 50°C for 240 hrs, noncondensingAltitudeOperating: 3,048mStorage: 15,240mElectrostatic Protection: Withstands 20 discharges up to 15kVSealability: Can be sealed to meet NEMA 4 and 12 and IP 65 standardsDurabilitySurface Durability: meets pencil hardness 3H per ASTM D3363Expected Life: Operationally tested to 35 million touches in one location without failureElectricalPositional Accuracy: Standard deviation error is less than 2mmResolution:Touch point density is based on controller resolution of 4096 x 4096Touch Activation Force: Typically less than 113gOpticalLight Transmission: 80% ±5% at 550nm wavelengthDear customerThank you so much for choosing our company's product.If you have any question with this product,please let me know,we will answer your questions one by one with our professional team.Best wishes.