【Fast Heating】The car fan heater has a double switch, 600W-800W high power, 3 air cavities, fast heating, and the temperature can reach 80-100℃; compact size, low noise (almost no noise); is the ideal of your car heater 【Easy to Use】This windshield defroster car heater fan defogger is very easy to use. Just connect the battery positive and negative (red: positive, black: negative); suitable for 12V car, truck, SUV, vehicle, van, etc. 【High thermal conversion rate】The car heater fan has a high thermal conversion rate and is heated in real time. Even at the frozen temperature, the interior temperature can be guaranteed. It is practical, the most important thing is that it is cheaper to replace the expensive electric heating system 【High-quality materials】The portable car heater is made of high-quality iron materials. It is strong and durable, with good hardness, not easy to damage, and can ensure a long-term service life 【Winter fast heating warmer】The automatic winter fast heating is