efficiency heating Updated with quality materials and pure copper cables that are thicker and longer to ensure safe use. Rapid warmth: reaches comfortable heat in about one minute. Efficient heat dissipation design helps deliver steady warmth through the winter. Multifunctional car defroster Fast heating with no long wait. Warms the interior quickly and can defrost or demist windows within 60 seconds. Helps you get on the road and reach your destination sooner, even in cold conditions. Easy to use Plug into the car cigarette lighter socket or install with double‑sided tape. Switch between heater and fan for flexible use. Instant heating, automatic poweroff protection, and antivoltage protection for safe operation. Wide range of uses and compatibility 12V car heater suitable for small vehicles such as cars, jeeps, mini cars, light buses, light trucks and small special vehicles. Portable design that can keep you warm in winter and provide air circulation in summer when used as a fan. Use scenarios Winter preheat and defrost: In cold mornings, plug in and enjoy quick interior warmth and rapid windshield defrost/demist so you can drive safely sooner. Quick on‑the‑road defrost: While on a trip, rapidly clear windows without lengthy engine warm‑up delays. Summer ventilation: Use fan mode to circulate air for immediate cooling and comfort when the temperature is higher outside.