Operate the T800 conveniently via an intuitive 3.5" colour LCD display with an icon-driven menu. Other features include an ARM A7 high-performance processor, 128 MB RAM and 128 MB flash, as well as a compatible 4 to 32 GB SD flash memory card. Interface choices consist of Ethernet, RS-232, USB-B, a USB-A host, and optional Bluetooth 4.2 and Wi-Fi 802.11a/b/g/n/ac. The solid, double-walled, hinged plastic housing easily withstands operating temperatures from -5 to +40 °C and is based on the robust »Printronix System Architecture« (PSA), which was originally designed for industrial printers. This combination makes the T800 a durable, sustainable investment.