The Evo21 – Touch Panel 3.5” KNX is equipped with a 3,5 inches colored display; dimming, status, values, lighting, shutters, and timers are controlled and password protected when needed. Using the embedded temperature sensor and the embedded room temperature control function is possible to manage valves, fan coil, or other HVAC equipment. The device has an LED for status display and a buzzer to give sound signals with alarm function. It is equipped with a Micro-USB connection – accessible from the front by simply removing the external cover – which allows connection to the programming device for customizing icons, screensavers or logics. Similarly, a Micro-SD Card slot is available for updating the device’s firmware. Available in two colours (white and black) is based on Linux OS.