4'' Smart Touch. KNX secured. 

· KNX function includes switch, dimming (two-color), curtains, scenes, and value sending;

· HVAC, discrete air conditioning, floor heating, fresh air and other all-in-onetemperature control functions;

· RGB and RGBW dimming function;Ambient air quality data monitoring; · Monitoring and display of energy consumption data such as power · consumption,current, and voltage;

· Timer function;8 logical group functions;

· 8 event group functions (each group has 8 configurable output channels);

Proximity sensing lights up the screen, and parameters can be configured to linkother KNX bus devices;

· Temperature and humidity sensor parameter display and equipment linkage control, data display and status abnormality alarm;

·Voice function, which can link  other KNX devices or local actuator channelsthrough configuration parameters;

· Home page navigation function for quick UI interaction;

· Time and date display and configuration;

· It has functions such as password protection, screen saver and screen lock. Screensavers are independent  each other when turning off the screen, and different screensaver parameters can be selected;

· Theme and background selection configuration, you can customize and change pictures through SD card

·Available with built-in offline English voice function or without voice function.