... kinds of color Technical ParameterModel numberK-SBS1901DTMonitor size42"Touch screenInfrared; double point life: over 50million times, Max resolution 4096*4096 ... card reader, inductive IC/ID cardreader,64 or 16bits metal keyboard, fingerprint reader, coin&bill acceptorWorking environmentTemperature: 0~45°C ... , communication enterprises, real estate, exibition, library ect. 42" double touch screen kiosk