I-Crown unit has an innovative design to fit your decoration taste. It has a concealed display: When unit is off, the display area is concealed; when unit is on, user can control each function easily by touching the display area. Unique sliding panel design: When unit is on, panels slide towards the two sides and air outlets at both sides are open; when unit is off, panels slide towards the front side so that air outlets are closed. Gree two-stage compressor can heat normally and cool normally under extreme temperature without increasing power consumption. I-Crown II not only adjusts air temperature, but also improves air quality. IFD dedusting technology removes PM2.5 efficiently to protect your health.