DE 183-RU-30/8,4 (5 VOLT) is a type of display module manufactured by Display Elektronik, a supplier of electronic displays. It is a Vacuum Fluorescent Display (VFD) module with a viewing area of 31x16mm and an operating temperature range of -30°C to +80°C. It has a Rows x Columns configuration of 8x4 characters and an Internal Voltage of 5 Volts. It supports various display commands such as Clear Display, Return Home, Set Entry Mode, Set Cursor and Set CGRAM. It has a MTBF (Mean Time Between Failures) of more than 130,000 hours. It also has two Operating Modes available; namely, Graphics Mode and Text Mode. This type of display module is ideal for use in industrial control systems and automotive instrumentation.