... 5.500cd/m2 Technical ParameterModel numberK-SBS1901DTMonitor size42"Touch screenInfrared; double point life: over 50million times, Max resolution 4096*4096 ......LCDIndustrial ... , tourism, banks,hospitals, communication enterprises, real estate, exibition, library ect. Hot sell 42" double touch screen advertising kiosk with coupon printing