1.【MULTIPLE FUNCTIONS】 --- The car heater has many functions, such as quick heating, air cleaning, thawing and dehumidifying, strong wind, overheating protection, etc.Effectively allows you to defrost or demist your window quickly so you can get on the road and get to your destination.2.【ABOUT SIZE】 --- With the overall size of 15 * 7cm, it is easy to carry and does not take up space. The attached wire is about 150cm long, which can meet the dehumidification needs in different places.3.【DOUBLE THERMOSTAT】 --- There are two different levels of air outlet, namely natural wind and hot wind. And the temperature can reach around 80 to 100 degrees Celsius, which can cope with different temperatures and climates.4.【SAFETY】 --- Using cigarette lighter plug design, built-in fuse, automatic power-off protection, anti-voltage, safer use.User-friendly design which is energy-saving with low consumption.With an alloy heating wire, the 12V 150W heater has low power consumption and can be used for a long time. It's very convenient to use, plug and play. Simply plug the plug directly into the car's cigarette light.5.【WIDE APPLICATION】 --- Widely used at car, truck, vehicle, air conditioner and other commonly used appliances.Suitable for all 12V-150W vehicles , camping and travel，de-fogging/defrosting in the winter and Keeping cool in summer.