12V car heater defroster with overheating protection for vehicles1、High Efficiency Antioxidant Heating Wire: Adopts antioxidant alloy heating wire with high heat conversion rate and high pressure resistance. Fast heating, slow aging, long service life, providing stable and long‑lasting heating effect for the vehicle. 2、Dual PTC Heating Pads: The car heater adopts dual PTC heating pads, which can produce heat quickly and warm up quickly. At the same time, faster heat dissipation, high thermal efficiency, effectively improve the efficiency of the heater. 3、Unique Air Duct Grille: The car heater is designed with a unique air duct grille imitating the turbine shape of an airplane, which can realize air delivery over a long distance. 4、Cold And Warm Dual Use: The car heater has two speed adjustment, which can realize the cold and warm dual use. With the change of seasons, the working mode of the heater can be adjusted according to the needs, so that the temperature inside the car is more comfortable. 5、Large Air Volume, Safety Protection: The rear of the car heater adopts a large skeleton design, which can realize large air output and rapid heat dissipation. In addition, the heater is equipped with overheating protection and thermal switch and other safety designs, low noise, no open flame, will not damage the battery. 6、1.5 Meter Cord: The car heater comes with a 1.5 meter cord to meet the needs of different vehicles and to maximize the range of use.