Hot and cold dual-purpose This car heater supports both hot and cold modes, and can be used in both winter and summer. It can effectively help regulate the temperature inside the car while solving problems such as windshield fogging, frosting, and snow accumulation in winter. Achieve comfortable driving temperatures while maintaining high resolution on the windshield 3 Seconds Fast Heating or Cooling: This car heater defroster features an improved high-efficiency PTC ceramic heating element as well as an iron core air outlet design. Equipped with 3-second fast hotspot cigarette holder plug. Really realizes cooling and heating in 3 seconds, no need to wait 70 wide-angle air outlet: This portable car heater defroster adopts a 70 wide-angle air outlet design with a converged air outlet, which increases the static pressure of the air outlet, increases the air supply distance, and instantly increases the heating/cooling effect. 360 Horizontal and 60 Longitudinal Angle Adjustment: Our car truck fan demister has a flexible base bracket design that supports 360 side adjustment for easy adjustment of the wind direction. In addition, it also supports 60 longitudinal adjustment to obtain the most comfortable tilt angle. Stable and unlocked vision while driving This windshield defroster features a detachable base design and a detachable heater for hand heating. The base is connected to the car center console through self-adhesive means, and the heater is fixed between the bases through buckles. It will not fall off when encountering vibrations while driving, and is of moderate size, unlocking your riding vision.