Do you feel cold when driving in winter and afraid of fog and frost on the window to block you sight? With this car heater, no more worry in this cold winter! Our car heater is an ideal car warmer to warm up the air in the car and keep you and your family warm. It's also suitable for defrosting windshield to ensure your driving safety. There are two voltage options for your choice, 12V and 24V. Choose it according to the battery quantity of your car.