What it is and yearround comfort: A 12V portable car heater with 150W200W output that delivers instant warmth for winter drives and includes a cooling fan for summer. Designed for cars, SUVs, trucks, and RVs, it helps keep windshields clear and maintains a balanced cabin climate. Safe and reliable operation: Builtin fuse and overload protection ensure safe use in any vehicle. The automatic poweroff function activates when defrosting windshields or warming interiors, providing strong performance with peace of mind during daily journeys. Flexible airflow control: A 360° adjustable airflow via a rotating base allows horizontal and vertical movement to direct heat or cool air precisely where needed. Direct warmth to windshields, hands, or feet and reduce fog buildup during winter commutes. Quiet and comfortable driving: Engineered for lownoise performance to maintain a pleasant cabin atmosphere. Quickly demist glass and warm seats without disrupting conversations. Key specifications and compatibility: 12V DC portable heater with 150W200W output. Portable design suitable for cars, SUVs, trucks, and RVs. Designed to keep the windshield clear and the cabin climate balanced. Practical use scenarios: Winter defrost and seat warming: Use on cold mornings to quickly clear the windshield and warm the interior for a comfortable start to your drive. Summer cabin comfort: Use the builtin cooling fan to circulate air and reduce heat buildup when temperatures rise. Allseason road trips: Maintain a comfortable cabin environment on long trips, while easily directing airflow to the windshield, feet, or hands as needed.