This product is part of the Harmony STO & STU range, an offer of touch panel screens. The touch panel screen features 3.4inch backlit monochrome STN LCD display with a resolution of 200 x 80 pixels. It is equipped with 1 USB 2.0 type mini B, 1 USB 2.0 type A, power supply removable screw terminal block and serial link 9-pin terminal block - RS232C integrated connections. It supports Magelis operating system and Chinese (simplified Chinese), Korean, Taiwanese (traditional Chinese), Japanese (ANK, Kanji) and ASCII character fonts. It is an IP20 (rear panel) / IP65 (front panel) and NEMA 4X rated product. The enclosure is made of PPT. This product is certified by CE, CULus, UL and C-Tick. It meets FCC Class A, UL 1604, UL 508, IEC 61000-6-2, EN 61131-2 standards. This product is compatible with Zelio Logic ranges.