Description: 【Fast defrosting and defogger】: Portable Car Heater can effectively remove frost and fog the windshield to ensure winter driving 【Compatibility】: Car Heater is suitable for all vehicles with 12V power supply and has a wide range of applications 【Silent fan design】: Demister adopts silent fan design to provide a comfortable in car environment 【Instant heating】: Defogger can heat up quickly without long waiting time, built in automatic overheating protection function, Double switch temperature adjustment 【Easy installation】: Auto Defroster is designed with user convenience in mind, with simple installation steps and easy using Specification: Input voltages: DC 12V Power: 300W Outlet temperature: 80°C Material: ABS Size Chart: 10cmx8cmx8cm/3.94inchx3.15inchx3.15inch Package Includes: 1 Portable Car Heater Set Note: Please allow slightly errors due to manual measurement and different monitors. Note: Red wire connects to positive pole and black wire connects to negative pole. It is recommended to use copper wire for direct connection. Do not open the internal circuit and dedicated circuit.