The HMISTU855 is a 5.7-inch touch panel screen designed as a human-machine interface. It features a QVGA TFT colour display with a 320 x 240 pixel resolution and 65,536 colours, driven by a 333 MHz ARM9 CPU. The device is equipped with 16 MB of application memory, 64 kB for data backup, and offers versatile connectivity through Ethernet, USB, and RS232C/RS485 serial ports. Operating on a 24 V DC supply, its rugged design includes an IP65-rated front panel and a unique Ø 22 mm hole mounting system, making it ideal for various industrial control applications.