Dual Power Options 12V and 24V This car heater is available in 12V and 24V configurations, making it suitable for cars, trucks, and SUVs. For Nissan 350Z, 370Z, 400Z, Sentra, and Note models, select the correct version for your vehicle. As a portable heater, it delivers reliable heating or cooling for year‑round comfort for drivers and passengers. 2in1 Heating and Cooling This unit provides both warm and cool air on demand. In winter, use it as a windshield defroster to melt frost; in hot weather, switch to gentle cooling to reduce cabin heat. It offers flexible operation for all seasons. Compact and Portable Design Despite its power, the unit is compact and easy to store, and it won't obstruct your view while driving. It features a 360degree adjustable base to tailor airflow direction for maximum comfort, making it a spacesaving option among car heaters. Fast Heating and Effective Defrosting Built with advanced PTC elements, the heater delivers rapid heating within seconds. It acts as a strong windshield defroster, quickly clearing fog or ice to improve visibility. There is no need to wait for the engine to warm up for comfortable, rapid results. Use scenarios Winter defrost and cabin warmth: Defog windows quickly on cold mornings while maintaining comfortable cabin temperature. Summer cooling and air circulation: Provide immediate cool air to reduce interior heat without relying on engine idle. Ontheroad comfort for multiple vehicle types: Suitable for cars, trucks, and SUVs, including Nissan 350Z, 370Z, 400Z, Sentra, and Note, with appropriate 12V or 24V installation.