Our Interference Anti-Freezing Instrument Is Equipped With A Relay Group, High-Voltage Packaging And A Plastic Casing. Function: Non-Magnetic Solar Energy, Lithium Battery With Power Storage Function, With Switch, No Incense Sheet, Service Life 1-2 Years, Power Storage Capacity 55 Milliamperes, Voltage And Current Power: 3V 55 Milliamperes, Approximately 1W. It Can Maintain A Constant Level Of Warmth And Humidity In The Surrounding Environment, Making It More Comfortable And Preventing Ice And Frost From Condensing, Thereby Achieving The Effect Of Snow Removal. Its Usage Method Is Very Simple: First, Place This Product In A Stable Position, Then Turn On The Switch And Activate The Device. The Heat Energy And Moisture Released By The Instrument Can Heat And Humidify, Melting The Ice And Snow. When Fully Charged, It Will Automatically Turn Off The Light. This Is Based On The Recycling Of Electricity And Solar Energy. It Takes About Half An Hour To Charge. One Charge Can Last For About 10 To 15 Days. After Turning On The Switch, It Flashes Once Every 5 Seconds. After Use, It Can Loosen The Structure Of Water Molecules, Making It Difficult For Ice And Snow Outside The Car To Solidify In Winter And Keeping The Interior Warm. It Is An Essential Item For Driving A Car In Winter.