DE LP-509-A is a LED display module manufactured by Display Elektronik. The module is based on a 16x1 inch LCD display, and has several features such as keypad scanning, operator's input control, and data entry. It also includes an adjustable backlight and contrast control, time delay switch, and automatic power-off. It has a wide viewing angle and good light intensity, as well as a low average power consumption. The module can display 2D characters, symbols, and other graphics. It is suitable for a variety of applications, such as industrial control, ATM machines, data analysis and other commercial applications.