◆Bigger Indoor unit (1025mm)◆1200m³/H Air volumn◆Golden fin evaporator and condenser◆ Double layer big Condenser φ7mm Coopper◆100% Connecting Coopper pipe◆ C-Shape Evatorator◆Exclusive of Hitachi Tropical compressor◆ Megmeet control technology inside of PCB◆Independent Transformer◆Electronically controlled expansion valve◆Single Wifi Module◆4D airflow step motorsuper◆supper big outdoor(1.5ton=2.0ton)