Dual voltage compatibility for 12-volt systems This portable car heater is designed for 12-volt systems with dual voltage applicability, making it suitable for a wide range of vehicles, including trucks. It provides reliable warmth during a drive or when temperatures drop suddenly. Winter safety and visibility Heats the cabin air quickly and helps maintain clear visibility by removing frost and eliminating windshield fog. Designed for winter use, it is an essential aid for safer driving in cold weather. All weather comfort Keeps driver and passengers warm in cold conditions, improving overall driving comfort. This efficient heat source helps maintain a comfortable interior temperature, making every trip more pleasant. Fast and efficient heating Equipped with a rapid heat function that quickly warms the interior and defrosts or demists the windshield. Its efficient heating capability is ideal for fast warm-up and clearing frosty windows. Use scenarios - Morning commutes in cold weather: quickly warm the cabin to a comfortable temperature as you start your day. - Clearing frost or condensation: defrost and demist the windshield for safer, clearer visibility before driving. - Truck or commercial vehicle use: provide immediate heat for long-haul drives or deliveries, improving comfort for drivers and passengers.