- 12V/24V portable car defroster defogger built with high quality ABS material. Simply plug into the car cigarette lighter socket and the heater quickly and effectively defrosts or defogs car windows and windshields. - 2 in 1 mode with two adjustable levels. The unit provides hot air for defrosting and defogging as well as a cold air option to blow room temperature air for faster cabin air circulation. This makes it suitable for defrosting/defogging car windows and windshields and also helps ventilate the interior. - 360° rotatable holder for flexible airflow. The heater can be directed exactly where you want the hot or cold air to blow. It can be placed on a non-slip mat or fixed with double-sided tape for secure operation. - Fast heating performance. The heater warms the air within minutes, helping to keep the windshield clear and preventing fog or frost from blurring your line of sight.