This Air Cooler Pulls in Warm Air from the Room, and Go through Its Evaporative Water Filter to Create Small Space with Cool.Adjustable Blade: the Wind Outlet Blade Can Be Adjusted, Move up and down 90 Degree Like Air Conditioner.Easy to Clean &Amp; Replace: Detachable and Washable Filters Can Reduce Indoor Odors and Other Airborne Particles, So That to Provide a Healthier and More Comfortable Environment.Easy to Use: You Can Add Water&Amp; Ice Cube into the Tank. Plug It in and Press the Switch, You Can Enjoy the Cool Air.Low Noisy: Can Work Powerfully at a Low Noise Level, the Quality of Air Cooling is Still Unaffected.Low Noisy: Can Work Powerfully at a Low Noise Level, the Quality of Air Cooling is Still Unaffected.Suitable for Place: Small Size, Can Be Widely Used in Offices, Dormitories, Living Rooms, Bedrooms, Kitchens, Etc. You Can Also Use It for Camping, Outdoor Activities and Travel.Please Keep the Air Cooler on a Level Surface During Use; Tilting the Unit May Cause Water Leaked Out of the Base.Let Filter Absorb Water for at Least 3 Minutes after Filling Tank and Before Use. Doing So You Will Get the Coolest Air Quicker.If you have any questions, please contact us in time and we will respond to your inquiry within 24 hours.