Easy Carriage & Storage: The compact and lightweight air cooler is easy to carry and storage, perfect for bedroom,living room?bonus room, stair room, RV,tent,etc. Featuring 4 caster wheels at bottom, make it easy to carry up and move. Humidification & Quiet Function: Portable remote control evaporative air cooler with 7L capacity water tank; Versatile air cooler can be used as a fan or humidifier."Breeze"function, our product's unique quiet function, can bring quiet and cool wind while sleeping. Three Fan Modes and Timing Functions: Three fan modes (Normal/ Natural/ Sleep) can meet your needs in different time periods; Three Air Speeds (H/M/L): 10m/s, 8.5m/s, 7.5m/s; the wind direction can be adjusted up and down by 120 degrees to create your own Wind direction personal cooling zone; 0-7.5 hour timer function can help you to avoid unnecessary trouble. Save Energy & Efficient : It's working power just 65W that definitely more energy-efficient than electric fans, and eliminates the high cost on air-condition. Summer is here,get the Evaporative Cooler to cool down the roomsize between 9 and 16 square meter(10 to 19 sq.yd). Visible window on the front side help you see water level conveniently and umpclearly