Super-large air volume: 10000 air volume, 3 fan speeds and swinging blinds to ensure even distribution.large water air cooler. Independent control: 3 simple rotary controls allow fan speed, pump switch. Accelerate evaporation: 3 sides rigid high density cooling pad is used to increase evaporation area and generate more cold air. Functions: can be used in the kitchen, living room, office, warehouse, studio, outdoor work, outdoor dining room. 4 heavy-duty locking casters, easy to move when unlocking, lock and fix when locking .air coolers Super high quality: Plastic shell, ensure quality