1. 【Dual Thermostat】There are two different stalls for air outlet, namely natural wind and warm wind. And the temperature can reach about 80~100 degrees Celsius, which can cope with various temperature and climate. 2. 【Multiple Functions】The car heater has many functions, such as rapid heating, air purification, defrosting and defogging, strong wind, overheating protection and so on. 3. 【Multiple Advantages】Using alloy heating wire, the 12V 150 W heater has low power consumption and can be use for a long time. It is very convenient to use, plug and play. Just put the plug directly into the car cigarette light. 4. 【About Sizes】With the overall size of 15 * 7cm / 5.91 * 2.76inch, it is easy to carry, and does not take up space. The attached wire is about 150cm / 59.06inch long, which can meet the defogging needs of different locations. 5. 【Wide Application】This car heater is suitable for all 12V 150W vehicles, such as cars and trucks, but it is not recommended for new energy vehicles.