TANTRON 4‘’ touch panel supports custom icons and text. and 14byte text (character) display function. At the same time, it integrates scenes, switches, dimming, RGB, color temperature control, curtains, max 10 air conditioners (VRV/FANCOIL), HVAC, air quality, music, fresh air function, timing, logic, page jump, built-in the temperature and humidity sensor and laser distance detection for energy-saving screensavers and other functions.