2 in 1 heating and cooling: This car heater has two setting modes: heating and cooling. Simply change the switch and hot or cold air will come out instantly as needed. This car heater is not only ideal for demisting/defrosting windshields. Can also be used as a cooling fan to provide you with wind in summer. Flexible to use: The car heater is designed with cigarette lighter socket, built-in fuse, automatic power-off protection, and safer to use. Rotate the stand 360 and tilt it 60 up and down to meet needs. You can also fix the heater in your preferred position. and adjust it to your preferred angle. Widely used: Size only 8.8 x 11.5 x 3.5 cm, the mini size car heater fan does not block your view while driving. Compatible with all 12V gasoline vehicles, use it to heat, cool, demist and defrost. Ideal gift for family or friends. Note: The output of the cigarette lighter is not lower than 12V/150W. If it is lower than this value, it may affect the heating effect of the heater, or it may only output natural air but not hot air. Please confirm before purchasing. (The heater cannot replace the air conditioner to heat the whole vehicle, it is used to defog and defrost the car window in a short time)