The SIMATIC HMI KTP900F Mobile (6AV2125-2JB23-0AX0) is a mobile control panel from Siemens’ SIMATIC HMI series, featuring key and touch operation with 10 function keys, a key-operated switch, an acknowledgement button, and an emergency stop button. Its 9-inch TFT display with 800x480 pixel resolution supports 16 million colors and is equipped with a PROFINET/Industrial Ethernet interface, 1x multimedia card, and 1x USB port. The panel is configurable via WinCC Comfort V13 SP1 and includes open-source software provided free of charge (see enclosed CD). With a net weight of 1.766 kg and packaging dimensions of 24.50 x 32.10 x 10.30 cm, it is used in industrial automation projects, such as machine control, monitoring systems, and safety assurance.