The SIMATIC HMI KTP400F Mobile (6AV2125-2DB23-0AX0) is a mobile control panel from Siemens’ SIMATIC HMI series, featuring key and touch operation, an emergency stop switch, and an acknowledgement button. Its 4-inch widescreen TFT display supports 65,536 colors and is equipped with a PROFINET interface. The panel is configurable via WinCC Comfort V13 SP1 with HSP and includes open-source software provided free of charge (see enclosed CD). With a net weight of 0.882 kg and packaging dimensions of 17.70 x 22.70 x 9.60 cm, it is used in industrial automation projects, such as machine control, monitoring systems, or safety assurance.