Have you ever got stuck in your car in Winter just to wait for your windshield to defrost? Have you ever experience your windshield has fog blocking your vision due to rain? Try this 2-in-1 Car Heater Windshield Defroster! Simply plug it in and it starts working in 10 to 20 seconds! You can use the car heater in the winter or use it during the summer as a cooling fan. This automotive car heater can heat or cool, allowing you to feel the heat on a cold day and the breeze on a hot, sunny day. It can also defog your windshield quickly. The high-temperature heat outlet for the car heater can ensure fast heating and a convenient warming effect. 2-in-1 Car Heater can quickly be heated within 30 seconds and defrost your windshield quickly! It's so incredibly easy to use, too! Just plug the car heater into your cigarette lighter socket and switch to heat or fan(Make sure your car has a 12V/24V lighter port). It comes with a 360° rotary holder which can be used for adjustment and easy directing just like any other car vent.