Intelligent "220V AC Cooling Fan" below an infrared sensor that can sense heat signal surrounding area. Once someone in the room, it will open automatically, and at 85 degrees to this person continuously blowing cold air. The sensitivity of the infrared sensor can be set to three different levels, to ensure that it traced to people instead of empty places. "220V AC Cooling Fan" can simultaneously track more than one person; if it finds more than one person in the room, then immediately adjust the direction of rotation so that the cold wind blow against everyone. If you are not in default in within a minute found the coverage of people, "220V AC Cooling Fan" will automatically shut down and stop hair. Therefore, this means not only easy to use - especially for countries in terms of year-round temperature is high, but also to reduce power consumption, after all, it will automatically turn off when not in use.