... touch touchscreen kit to make the LED/LCD TV become touch screen monitorRioTouch NL series large ... a pen.Touch Technology: Infrared TouchAvailable size: 32",37",40", 42", 46", 47", 50", 52", 55", 58 ... : -20°C ~ 70°CStorage: -40°C ~ 85°CRelative HumidityOperating: 90%(noncondensing at max ... 40°C)Storage: 90%(noncondensing at max 40°C)AltitudeUp to 3,000mLife ...