Package Included:1 x Heater Fan 3 x Aluminum Tube3 x Fixing Ring 3 x Screw Specification:Name: Car Heater Fan Model: E06756Material: Metal Color: Black Size: 16.5x12x8.6cmVoltage: 12V/24VPower: 800W Features:-Constant Temperature And Rapid Heating, No Odor, Silent Operation, Circulating Heating, No Oxygen Consumption.-With Switch For Warm And Cool Function, Easy To Operate.-Allows You To Defrost/demist Your Windows Quickly And Efficiently So You Can Get On The Road To Your Destination.-Can Also Be Used As A Fan To Cool You Down In The Hot Summer. 800w Large Power, Quick Heat.-Thicker And Long Pure Copper Cable, Won't Get Hot During Use Nor Damage Your Car Battery.-Car Heater Defroster 800w High Power Defrost Fog Machine 12v/24v Car Heating Car Appliances. Precautions:-Must Be Used With Battery-Product Positioning Does Not Replace Air Conditioning, But Appears As Auxiliary Heat-The Product Is Ready To Open, Can Be Used For Auxiliary Heat Before The Car Warm Air Comes Out, Defogging And Defrosting-It Is Recommended To Use A Heater When Opening The Vehicle To Avoid Causing The Vehicle To Fail To Start.