2-in-1 cooler and heater This car windshield defogger has two modes, heating and cooling, which can be switched at will. This car heater not only defrosts/defrosts, but also can be used as a cooling fan in summer. You just need to change the switch and warm or cool air will be emitted immediately. Warmth and Safety: This car heater heats the air quickly by simply plugging into the port of the 12V cigarette lighter, while it has a built-in fuse that automatically cuts off the power in the event of a safety hazard, making it safer for you to use. Easy to install: This car heater holder can be rotated 360 degrees humanized design, so you can adjust it according to your preference, the base adopts non-slip design, also comes with double-sided adhesive to help you install strengthen the fan. Rapid heatingThis portable car heater is made of oxidation-resistant alloy heating wire with 150W power, high heat conversion rate, can quickly heat the fan. air inside the car, no need to wait for the engine to warm up, it can defog and defrost, energy saving and low consumption. Wide application range: Suitable for all family cars, SUV caravans with a 12V cigarette lighter socket, it is a good companion for camping and travel, caravans, touring and keeping warm.