Dual power options for Tesla Model 3 and other vehicles: Available in 12V and 24V versions, this car heater is designed to fit a wide range of vehicles, including the Tesla Model 3 (2017 2018 2019 2020 2021 2022 2023). Choose the correct version for your vehicle to ensure proper operation. 2in1 heating and cooling function: Provides warm air for heating and cool air for cooling. Use as a windshield heater/defroster in winter and as a compact fan in summer for year round comfort. Compact and portable design: Small but powerful, easy to store in the cabin, and will not block your view while driving. Features a 360 degree adjustable base to direct airflow for maximum comfort. Fast heating and effective defrosting: Built with advanced PTC elements for rapid heating in seconds. Serves as a strong windshield defroster to quickly clear fog or ice, avoiding long engine warmup times. Practical use scenarios: Winter preheat and defrost in a Tesla Model 3 to warm the cabin and clear the windshield before driving. Summer cabin cooling to reduce interior heat and improve comfort during trips. Versatile climate control for trucks and SUVs, providing portable heating or cooling for passengers and drivers across vehicle types.