About this product [Double Effect Refrigeration] technology draws in hot air through anporative air-cooled filter and converts it into cool and fresh air instantly. It can be cool when the strong wind blows through the freezer ice box. [Cool, fresh and comfortable wind] Atomizes water into ultra-fine particles and diffuses them into the air, making the air more humid and effectively precipitating smoke and dust floating in the air. The wind is as gentle as the wind on the lake. ?lThree Speeds; More Uses?zThreeporation intensities and three wind speeds are available. The top 750ml large water tank can be stored for 5-9 hours toporate. The fan and humidifier turn on and off independently, allowing you to get a powerful humidifier when the fan is off. ?lPortable; ?lStudy?zPortable desktop air cooler has a reinforced ABS shell to prevent accidental drops. The compact body weighs only 1.85 lbs and comes with a hand strap so you can easily take it anywhere. [Low Noise; Colorful Lights] Lower noise when running (low speed 58db, medium speed 66db, high speed 70db). The silent fan is equipped with snow mountain-shaped color-changing LED lights to help you sleep peacefully at night.Please note: As we are international seller, our delivery time will take about 10 working days. Our logistics provider and delivery method is: New Zealand Post.