ŹŹTake me back to my room. Personal Air Cooler & Air Humidifier You can use the small evaporative air cooler all year round, cooling you in hot and humidifying the air in dry autumn and winter. A full tank of water can continuously keep spraying for 2.5-12 hours (depending on the speed). Portable handle, you can easily carry it out, very suitable for homes,ices, outdoor picnics, etc. Adjustable Wind Speeds & Automatic Timing - 3 wind speeds (high,Medium,low) can be adjusted, manual up-down to adjust blowing direction within 60to meet your different needs.Three automatic timing (1/2/3H), you can choose the most suitable one to enjoy your leisure time,sleeping or working time. Size