The DEM 640480C TMH-PW-N (A-TOUCH) is a 15.1” LCD display module produced by Display Elektronik. It is composed of a TFT LCD panel, LED backlight, and supports a touch panel. The display has a resolution of 640x480, brightness of 500 nits, contrast ratio of 500:1, and a response time of 20 ms. It has an extremely wide viewing angle of up to 170°, making it suitable for many directions of view. The display supports a PAL/NTSC signal, as well as a variety of interfaces including VGA, DVI, and analog RGB. It also has a built in timer and a power saving mode. It is designed for industrial, medical, and other demanding applications.