KGOGO Air Conditioning Unit Portable Air Conditioner 9000 BTU 4-in-1 Dehumidifier. Versatile 4-in-1 Comfort Modes: More than just an AC, it features 4 modes: Cooling, Fan (2 speeds), Dehumidifier (maintaining optimal humidity at 40%-60% RH, works when the temperature is above 15°C or the humidity is below 85%), and Sleep Mode (a deep ultra-quiet sleep with light off and lower noise).