Fast heating: The car heater features dual switches, 600W-800W high power, and 3 air chambers for rapid heating, with temperatures reaching 80-100C. Compact size and low noise operation make it an ideal choice for vehicle heating. Easy to use: This windshield defroster and car heater fan defogger is simple to operate. Connect the red wire to the positive terminal and the black wire to the negative terminal of the battery. Compatible with 12V vehicles including cars, trucks, SUVs, and vans. High heat conversion rate: Designed with efficient heat conversion technology, this car heater delivers real-time warmth and maintains interior temperature even in freezing conditions. A practical and cost-effective alternative to more expensive heating systems. High-quality material: Constructed from durable iron material, this portable car heater is sturdy, resistant to damage, and built for long-term use. Warm winter performance: Ideal for quickly defrosting and demisting car windows and windshields. Helps raise cabin temperature, warm feet, and eliminate frost and fog buildup, providing comfort during cold winter months.