Core features - Auto window heating function combined with a portable car heater and a window defroster - 12V or 24V operation for wide vehicle compatibility - Fast heating with an adjustable fan - Electric heating for windshield defrost and defog in cars Why you need it - Improves visibility quickly by removing frost, ice, and fog from the windshield - Compact and portable design makes it easy to move between vehicles or use in different settings - Simple, plug-and-play operation suitable for 12V and 24V vehicle electrical systems - Provides reliable, immediate heat to aid defrosting and defogging when conditions are cold or humid Compatibility and performance - Suitable for vehicles with 12V or 24V electrical systems - Delivers rapid heating to accelerate defrost and defog processes - Adjustable fan allows you to control airflow and heat distribution for optimal windshield clarity - Functions as an electric heating device specifically designed for windshield defrost and defog in cars Use scenarios - Winter mornings: quickly remove frost or light ice from the windshield before driving - Humid or rainy days: defog the windshield to restore clear visibility - When parked in cold environments: fast heating to clear condensation and improve initial visibility on departure Usage guidance - Connect to a 12V or 24V vehicle power source - Activate the auto window heating function and use the adjustable fan to set the desired airflow - Operate to defrost and defog the windshield as needed for clearer visibility while driving This description stays true to the original product’s functions and specifications, presenting a concise, customer-focused overview that highlights practical benefits, compatibility, and real-world use cases.