Adjustable fan for quick windshield clearing - Removes frost, fog, and condensation from the windscreen to improve visibility and driving safety. - Adjustable fan speeds let you control airflow for fast or gentle defogging as needed. Auto defogger that warms the whole cabin - Delivers strong airflow to heat the entire interior quickly. - Evenly increases cabin temperature in cold weather for a more comfortable drive. Window defroster for cars, campers and SUVs - Widely compatible with cars, campers, and SUVs to help you stay warm in winter. - Portable and easy to use, providing flexible warmth where you need it. Portable heater with intelligent design - Compact, portable heater for cars with a user friendly layout. - Quiet operation for a comfortable cabin environment. - Air purification feature helps improve air quality inside the vehicle. - Overheat protection for safer operation on the road. Use scenarios - Daily winter drives: quickly clear the windshield after a cold start so you can drive with improved visibility. - Winter camping or road trips: keep the car or camper warm during chilly nights and prevent frost buildup. - Preconditioning before driving: warm the interior before you start for a comfortable, ready-to-drive cabin.