?Professional Service?If you have any questions about our car heaters or installation problems after purchase, please contact us immediately, we will give you a perfect solution so that you can buy with confidence and no worries!. ?Easy to install and use?Just plug it in your cars cigarette lighter,With a fixed suction cup bracket, sucking on the windshield glass,the 360-degree holder can be adjusted freely, Press the fan or heater switch and the fan starts working. ?360 Degree Adjustment?360° Rotating Base It comes with a rotating bracket that can be adjusted and easily orientated,and you can fix the heater in your favorite position,Plug it into a 12V and then you can adjust the direction of the air outlet, Simply plug it into your vehicle's cigarette lighter for instant warmth and comfort. ?2 IN 1 Cooling and Heating Function? Change the switch and the hot air or cool fan come out immediately. This heater is ideal for defrosting or demisting window and windscreens.Also can be used as a fan only to cool you down in the summer. This car heater is not only very suitable for defrosting/defogging car windows and windshields. It can also be used as a cooling fan,available all year. ?Fast heating?Portable car heater has a new aluminum alloy heating design to ensure fast heating or cooling effect, low power consumption,Plug the plug into the car's cigarette lighter socket and switch to heat or fan and it will quickly complete the engine heating, car windscreen defroster can help you solve the problem of fog and frost covering the windshield of your car, effectively preventing the view from being blocked.