[2 IN 1 HANDLE CAR HEATER]- Change the switch and the hot air or cool fan come out immediately. FAN is cold air, HEAT is hot air. Not only can it defrost or defog windows and windshields in winter, it can also be used as a car fan in summer to cool your car. [EASY TO USE and DEFOGGING]- Easy operation,just plug it into your 12V vehicle cigarette socket and turn it on.(Make sure your car has a 12V lighter port) [3S FAST HEATING and DEFROST]- The car heater can quickly heat the air in 3 seconds. Effectively keep the sight of the windshield clear and prevent fog or frost from blurring the line of sight. [WIDE APPLICATION]- Instant heating. They are widely used at cars, SUVs, taxis, jeeps, trucks and other commonly used appliances. Fit for all 12V vehicle cars. [Intelligent design]- This heater for car made of premium quality material and pure copper cable, automatic power-off protection, safer use. Low energy loss, low noise. DOES NOT DAMAGE THE BATTERY. With a rotate supporting suction holder, compact size, portable and convenient to use.