The IRF6 employs the TCRT5000 sensor for distance measuring, ranging from 0 to 6cm. The distance has converted into Pulse width, which is easy for data access. With the RTC Module, it can be used to display the real time clock. It also can display the operating status at any time for various applications, the status or error messages directly on the screen. With the user-defined characters, special patterns can be created to produce creative messages.