Pre-set mode to instantly cool the room during extreme summers The Eco mode helps save on your electricity bills, while giving you a comfortable cooling experience In dry mode, the AC keeps the room cool and dry by making the indoor air dry, removing excess moisture from the indoor air Wide voltage range design ensures protection against unpredictable surge or fluctuations in voltage thus safeguarding the AC Blue Star air conditioners' condenser coil, evaporator coil and connecting tubes are made of 100% copper, thereby ensuring reliable cooling.