【Heating and Cooling Function】12V car heater fan/auto car cooling fan which can provide natural wind and heating wind, has fast heating and fast cooling function 2 in 1, and can quickly remove mist or frost from car windshield by heating the air. 【Efficient and Quiet Operation】The car defroster heater fan can quickly remove mist, quick heat up or quick cool down in 30 seconds, providing powerful airflow. And this car defogger works quietly and without noise. 【Energy Saving】Power: Max 150W. Working Voltage: 12V DC. Power Supply: 12V cigarette lighter port. 【Easy to Use】The windshield heater defroster is double-sided adhesive, or just peel it off. Plug it into your car's 12V cigarette lighter socket and turn it on, it will start working quickly. Perfect for heating, cooling, dehumidifying and defrosting car air. 【360° Rotatable and Long Cable】The portable car heater features a 360 degree rotating bracket used for easy adjustment and control and has a long cable (about 140cm). It can be