About This Portable Evaporative Air Cooler:【3-in-1 Multi-Functional Evaporative Cooler】This portable evaporative air cooler is equipped with ice crystal cooling and humidification filtration technology, which has three functions: air blowing, humidification and cooling. The evaporative air cooler can be used as an air conditioner chiller, fan and humidifier to keep you comfortable in hot weather. The portable air cooler comes with 4 portable wheels for easy mobility. You can put it in your home, office or anywhere you like.【Digital Display and Remote Control】This evaporative cooler features an electronic control panel that allows you to control the cooling fan more intuitively so you can switch to the mode and air speed you need. The evaporative air cooler comes with a remote control for easy operation from your bed, couch or desk. In addition, the 7-hour timer function and ultra-quiet function allow you to enjoy a quiet and comfortable sleep.【Manual and Continuous Water Filling】Our evaporative cooler comes with an oversized 2.6 / 6.6 / 11.9 gallon (10 / 25 / 45 liter) water tank that can be connected to a garden hose for uninterrupted cooling that will last for hours. You can also manually refill the water from the top, which is very convenient for the elderly and pregnant women. The lower water tank of the evaporative air cooler is equipped with a drain hole for easy cleaning of the tank.【3 Speeds & Timing Function】This evaporative air cooler has three wind speeds (low/medium/high) to create the most comfortable environment for your work or sleep, designed for space cooling. In addition, the portable evaporative air cooler has a 7-hour timer function, you can set the air cooler shutdown time in advance.【Efficient Cooling System】This evaporative air cooler can regulate airflow up to 1200 / 4000 / 6000 CFM, which can easily cover a room of about 161/538 square feet. The portable air cooler has three-sided air intake channels that provide fast cooling and cool air through a powerful fan motor. The portable air cooler can automatically oscillate 120° from side to side, effectively distributing cool air throughout the space.Key Features:Color: WhiteAir Flow: 1200 CFM / 4000 CFM / 6000 CFMOscillation: 120°Timing: 1-7 HNoise: ≤ 65 db1200 CFM: Water Tank Capacity: 2.6 Gal / 10 L4000 CFM: Water Tank Capacity: 6.6 Gal / 25 L6000 CFM: Water Tank Capacity: 11.9 Gal / 45 L