Windowless Portable Air Conditioners, 37.5 Evaporative Air Cooler w/Remote, 2.5L Water Tank & 4 Ice Packs, 70 Oscillating, 12H T

????-????-?? ???????? ?????????????????????The air cooler integrates useful functions you want. It can blow cold air as a Fan & Air Conditioner & Air Cooler. Double cooling effect: If there is no water in the water tank, the fan will be an ordinary air cooler | ????.???? ?????????? ???????? & ?? ?????? ???????????The water pump pumps up the water from the water tank and flows behind the water curtain. The blown wind carries water vapor, which is combined with ice packs and turn the cool function on, then cooling effect will be enhanced, and the wind will be warm and moist without drying out. It can work for nearly 10 hours with full water and dont worry if there is no water in the tank, it will keep blowing cold wind. No need to waste too much time and energy on water tank, just rinse the built-in fiber curtain with water | ???????? ?????????? ???????????1-12 hours timer, which can be customized to set the working time of 1-12H for time freedom. In addition, the low-noise configuration allows you to sleep with the breeze at night without feeling noisy | ??????