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.Service philosophy:We are confident to provide you with quality products, please rest assured to buy,if you have any questions, please feel free to contact us