Specification:Condition: 100% Brand NewItem Type: Car HeaterMaterial: Aluminium Alloy + Tin Foil Paper + ABSColor: WhiteDrive Mode: StandalonePerformance: Cold and Warm IntegratedControl Method: Manual AdjustmentVoltage: 12VPower: 800WSize: Approx. 18 x 11cm/7.1 x 4.3inPrinciple: Ptc Ceramic Heating ElementConnection Method: The red wire is connected to the positive pole, and the black wire is connected to the negative pole. It must be matched with 4-6 squares of pure copper wire.Package List:2 x Flange Hoop1 x Car Heater2 x Clip2 x Aluminum Air Outlet1 x TerminalsNote:1. Must be used with battery.2. Product positioning does not replace air conditioning, but appears as auxiliary heat.3. The product is ready to open, can be used for auxiliary heat before the car warm air comes out, defogging and defrosting.4. It is recommended to use a heater when opening the vehicle to avoid causing the vehicle to fail to start.5. Please choose the correct one according to the battery car. The 12v car is a general battery car.