Combines 4 functions into 1 unit. Heat, cool, dehumidify and circulate air round your room more efficiently than an opened window, and using less energy to heat your house when you’re only using one room. Can operate as low as 53db, and uses environmentally friendly R290 refrigerant coolant.?4-in-1 unit with cooling, fan dehumidifier and heating function10,000 BTU ideal for large rooms up to 20m23 Speed FanTemperature setting from 18 to 32CSilent Compressor, can be operated at 53db at low speedSelf-evaporating system so no need to frequently drainSoft touch LED displayRemote Control24 hours timerR290 Refrigerant which is environmentally friendly and has a Low Global Warming Potential (GWP)Active carbon filter to remove contaminants and impurities and washable particle mesh filterContent: Black & Decker Portable 10,000 BTU 4-in-1 Air Conditioner with Timer and Remote Control1 x Air Conditioner Unit