2 In 1 Modes Car Heater--- Car heater has two levels that can be adjusted,Just change the switch, and the hot or cold air will come out immediately according to your needs.Effectively allows you to quickly defrost or defog the windows so that you can get on the road and reach your destination. You will not wait in cold weather. Avoid engine wear caused by low temperature starting. The air is stable, the heating is more direct, and the temperature is more comfortable. Safe & Durable--- Made of high-quality ABS material and premium pure copper cable,which is not breaks easy.With its great design and quality cable, there are no fragile parts, Built-in fuse, automatic power failure protection. Easy To Install And Use---- Portable car heater is small and exquisite, will not block the line of sight, and can be safely driven in winter,Just fix the car heater on a non-slip mat or use a double-sided tape, then plug it into your vehicle's cigarette socket (12V) and turn it on. It comes with a 360 rotary holder which you can adjust it to your preferred angle. Wide Application---- It is very suitable for car, camping and RV travel to keep you warm in winter.It is suitable for defogging or defrosting all 12V vehicles in the car,camping and traveling.Very useful in winter. Warm Gift---- The car heater is designed to quickly clean the frost, fog, mist on your car, windshield, side and rear window, provide an clear view for your driving, and let you enjoy the warmer driving in this cold winter, great gift for your families, friends.