12V/24V Car Windshield Defogger Defroster 2 in 1 Defogging Defrosting Heating Fan 360 Degree Rotating Anti-Fog Automobile Heater Feature - 1. Dual Functionality - The portable car heater serves as a versatile 2-in-1 appliance, capable of functioning as a heater or a cooler. It swiftly removes frost and fog from your vehicle's windshield, delivering heat to the front, top, and all surrounding areas for a clear view and a cozier, safer driving experience in all weather conditions. 2. Powerful Defr