2in1 heater and cooler for car interior This portable device can quickly heat the air in your vehicle or switch to a fan mode to blow cool air. It provides warmth in winter and cooling in summer with a compact 2in1 design suitable for car use. Improve safety with clear visibility By reducing fog and frost on the windshield, this portable car heater fan helps maintain a clear view and safer driving in chilly conditions. Instant heat and defog on the road Experience fast heating and defogging, helping you reach a comfortable cabin temperature quickly and clear the windshield without wasting time or energy. Safety features for reliable operation The unit includes enhanced protection features, including an intelligent double helix technology detection layer that constantly monitors the heating wire temperature to prevent overheating. Compact, portable design for easy use Designed for car placement and simple operation, this device offers quick setup and dependable performance wherever you travel. Use scenarios Winter commute: heat the cabin rapidly before driving and defog the windshield for a clear, safe view. Cold weather road trips: maintain a warm interior while keeping windshields of fog and frost. Transitional seasons: switch between warming and cooling to keep the cabin comfortable during varying temperatures. Performance and practicality Provides fast heating and adjustable cooling via fan mode Reduces windshield fog and frost for safer driving Includes intelligent temperature monitoring for reliable protection Portable and easy to install for onthego use