ITEM NAME:12V Car Heater Fans 800W Car Glass Defroster Window Heater For Winter Auto F7M5 12V Car Heater Fans 800W Car Glass Defroster Window Heater For Winter Auto F7M5 PTC ceramic heating elements, 5 second instant heating Single switch, 2 Air outlet, 1 big cooling fan Use for defrosting, demisting, deicing.Provide the comforts for travel, camping, glass defrost mist It can be installed at the bottom of the seat, next to the foot or at any position on the car With this warm air heater, you don't have to worry about the warm air in the car is no enough in the car in winter Color: White Material: ABS Size: About 18.5 x 12 x 10cm Power:800W Heating elements: PTC ceramic Voltage: DC 12V Switch: Single switch Air Outlet: 2 Air outlet Temperature: Maximum About 100 Celsius (The outlet temperature is related to the output current of the battery.) Installation: Red line connect to battery + Black line connect to battery - It is recommended to use 4mm?2; or 6mm?2; pure copper extension cord to connect the car battery. Package Included: 1 X Car Heater X1 2 X Pliers 2 X Fixing Ring 2 X Extension Tube Note: Start the heating fan after the car starts.