The summer heat can be unpredictable which is why you need a portable air conditioning unit to assist. Just like these piece. This ac unit does three jobs: cools ventilates and dehumidifies. 'Cool' keeps the area at a constant temperature - the 16-31℃ of your choice. 'Fan' for controlled fan speed. 'Dehumidify' dries out the moisture in the air. Features: Three modes: Cools dehumidifies and fan Two speeds and adjustable 16-31℃ temperature 24-hour timer to turn off at a time you want. Great for n