Harness solar energy and your car's power for reliable interior warming in cold conditions. 360degree rotatable design lets you direct heat exactly where you need it, ensuring full cabin coverage. Quickly defrosts windshields and windows, improving visibility on frosty winter mornings. Portable and compact, easy to place and store; compatible with all vehicle types. Key benefits and features Function: interior heating and windshield defrost to enhance comfort and safety in cold weather. Compatibility: universal for all vehicle types; leverages both solar energy and the car's power supply. Size and portability: compact and lightweight, designed for easy placement and storage. Performance: delivers steady, efficient warming and fast defrost to improve visibility. Use scenarios Daily winter commute: install to prewarm the cabin and rapidly defrost the windshield before driving. Winter road trips: use the adjustable 360degree heat direction to target the front cabin where you need it most. Parked in daylight: utilize solar energy to maintain gentle interior warmth during breaks, reducing startup time and frost buildup.