Rapid heating and defrost/defog performance The 12V/24V Car Heater quickly defrosts and defogs windshields in cold weather, improving visibility and driving safety. Compact portable design and durable material Small, portable unit built from ABS; offers low energy consumption and quiet operation for a comfortable drive. Broad compatibility and practical use Suitable for all vehicle owners, especially in colder regions or when a quick fogging solution is needed during winter; supports 12V and 24V power systems. Key attributes at a glance Function: defrost and defog windshield; Performance: rapid heating; Compatibility: 12V/24V; Size: small and portable; Material: ABS. Practical use scenarios Use on winter mornings to clear the windshield before driving. Use during rain or snow to eliminate interior windshield fog. Use after parking when the interior temperature drops to rapidly reduce window condensation.