The SpaceLogic KNX 4-inch Mini Touch is a programmable KNX control unit with a 4-inch display. This control unit integrates HVAC, lighting, and blind control into a single device. With the SpaceLogic KNX 4-inch Mini Touch, air quality can be displayed and music playback can be controlled. Icons and the screensaver are configurable and can be updated via the USB interface. General features such as bus behavior after voltage recovery, the display user interface, proximity function, and temperature measurement parameters can be easily set. The Mini Touch control unit can send telegrams to the bus, such as switching telegrams, scene telegrams, brightness/RGB/color temperature dimming telegrams, curtain/blind telegrams, and blind position and slat telegrams. The device also includes functions for ventilation systems, FCU, underfloor heating, and air conditioning control. The display resolution of the touch panel is 480 x 480 pixels with 16,700,000 display colors. The processor is an ARM Cortex-A7 with 64 MB Flash and 128 MB RAM. Its operating voltage is 24 VDC. The load capacity of the touch panel is 2 W. This control unit is black and allows for flush mounting. The operating temperature ranges from -5 °C to +45 °C. It achieves an IP20 protection rating.