The touch panel screen features 3.5inch TFT color display, supports 320 x 240 pixels QVGA resolution. It is equipped with 1 USB 2.0 type mini B, 1 USB 2.0 type A, removable screw terminal block for power supply and COM1 serial link (female RJ45, RS232C/RS485 integrated). The screen supports Japanese (ANK, Kanji), Chinese (simplified Chinese), Taiwanese (traditional Chinese), Korean and ASCII character fonts. This touch panel screen has 65536 colors with 50,000 hours of backlight lifespan. It is an IP20/IP65 and NEMA 4X rated product. The enclosure is made of PC/PBT. Its dimensions are 118mm (width) x 55.3mm (depth) x 98.15mm (height). It is suitable for simple machines and infrastructure applications. This product is certified by C-Tick, CULus, Marine and UL class 1 Div2 T4A or T5. It meets IEC 61000-6-2, UL 1604, EN 61131-2 and FCC Class A standards. Harmony STO (fromerly known as Magelis STO) is powered by the EcoStruxure operator terminal expert and STU (fromerly known as Magelis STU) is powered by Vijeo Designer.