Efficient Multi-function Air Cooler —— 5-in-1 Design of portable air conditioner, air cooler, fan, humidifier and night light. By adding water or ice cubes to make hot air quickly turn into cold air in few seconds, sending cool airflow to your side, with spray cooling to make you feel cooler. Not only does it lower the temperature of surroundings and help us stay away from dry and stuffy air, but also filters the air, reduces dust particles, and let you enjoy a cool and comfortable summer.