Our Car Heater, Carefully Deployed By Abs. Designed For Rapid Heating In The Car And Efficient Frost Removal On The Windshield. The Method Of Use Is Extremely Convenient: Fix The Heater In A Specific Position In The Car, Insert The Wire Into The Car Cigarette Lighter, Turn On The Power And Press To Start Using. Natural Wind Circulates The Air In The Car, And The Heated Air Can Quickly Heat Up The Space In The Car. Please Note That This Product Should Not Be Used For A Long Time (40-60 Minutes). Do Not Use It For A Long Time When The Engine Is Off To Prevent The Battery From Running Out. If The Device Automatically Shuts Down After A Few Minutes Of Use, It Is Because The Current Protection Device Of The Car Cigarette Lighter Socket Has Insufficient Capacity. This Is Not A Product Issue. A Protector With A Current Capacity Of Up To 15A Can Operate Normally, While A Protector With A Current Capacity Of Less Than 12A Cannot Be Used. If The User Feels A Sense Of Heat At The Air Outlet, But There Is No Airflow (No Fan Noise) Or Smells Of Burnt Plastic,The Power Supply Should Be Disconnected Immediately And The Equipment Should Be Discontinued. This Product Is The 1 Kind Of High-Power Electrical Appliances. When In Use, The Plug Should Be Plugged Tightly To Maintain A Good Power Supply. After Long-Term Use, Do Not Touch The Metal Part Of The Car Cigarette Lighter When Unplugging The Plug To Avoid Burns. And It Can Quickly Clear The Fog On The Car Windows And Provide Local Warmth In The Car.