about this item 【? Multi-Function Car Heater】 The AQOTER 12V car heater can be used as a heater, cooler, and air purifier. It can quickly remove frost and fog from the vehicle's windshield in 10 seconds. The car heater will direct heat to the front, top, and all around, giving you a clear view, allowing you to drive warmer and safer. Stay cool in the summer and warm in the winter. 【? Fast and Safe】 The powerful windshield defroster can quickly heat the air without having to wait for your engine to warm up. Simply plug it into the car's cigarette lighter socket and it can defrost or demist your windows quickly and effectively. In addition, the portable car heater defogger has automatic heating, overheat protection, low consumption and low noise functions. 【? Fast and safe】 The powerful portable car heater can quickly heat the air without having to wait for your engine to warm up. Simply plug into the car's cigarette lighter socket and it can defrost or demist your windows quickly and