Easy and EfficientThe car heater is very convenient and easy to use!!! Just plug and play, plug it into your car's cigarette lighter socket, and switch to heating or fan (make sure your car has a 12V cigarette lighter port). Instant heating, automatic overheat protection. Effectively lets you defrost or defog windows quickly so you can get on the road and get to your destination. 2-in-1 Cooler and HeaterHeat up your vehicle quickly, as this portable heater plugs into any 12V cigarette lighter and heats up almost instantly. There are two modes to choose from, natural fan or hot fan, natural on hot days, heating on cold days. Safe and DurableIt is made of ABS, so the heater is not easily damaged. The thicker copper long cable will not heat up during use, and will not damage your car battery. Built-in fuse, overheat protection, and automatic power-off protection. Wide Application12V car heater is suitable for small vehicles such as cars, jeeps, mini cars, light buses, light trucks and small special vehicles. The portable car heater keeps you cool in the summer and warm in the winter.