Efficient heating performance 500W output at 12V powers a portable car fan heater with defrosting capability, allowing you to quickly clear your windscreen and reach your destination safely. Userfriendly operation Easytouse heating function switch makes it simple to adjust the temperature while driving, providing convenient control on the go. Safe and reliable design Thick, long pure copper cable helps prevent overheating, protects your vehicle's battery, and provides peace of mind in cold weather. Quiet and cyclic heating Silent operation with cyclic heating maintains a steady temperature, creating a comfortable cabin environment without unnecessary noise or disturbance. Key benefits at a glance Fast windscreen defrosting and quick warmup for safer travel Simple oneswitch control for ontheroad adjustments Batterysafe, durable copper wiring designed for vehicle use Quiet, steady heating that keeps the cabin comfortable Practical use scenarios Frosty mornings: quickly defrost and demist the windshield before you start your drive. Daily winter commutes: rapidly warm the cabin to a comfortable temperature during your trip. Waiting or breaks in cold weather: maintain a stable, quiet warmth inside the vehicle for added comfort.