Dualpurpose car heater with SEATS model for rear passenger comfort. It provides defrost and defog functions while enhancing rearseat warmth and comfort for passengers. Fast heating, cooling, and heating. The unit heats up quickly in about 3 seconds, efficiently warming the cabin in cold weather and helping save energy. It can also run as a fan to circulate air and provide cooling on hot days. Easy installation and usage. The compact heater is easy to place and use. Simply insert the unit into the 12V car socket to start defrosting, defogging, or heating. A 5meter extension cable enables flexible placement and movement within the car, including reaching the windshield to remove frost quickly. Spacesaving and versatile. With a small footprint, this heater occupies minimal space in the vehicle and can also be used in other small spaces such as bedrooms or offices where a 12V power source is available. Key attributes and performance. 12V power compatibility, rapid warmup, dual functionality (heat and fan), extended reach via 5meter cable, compact and portable design, suitable for cars and small indoor spaces, SEATS model focuses on rear passenger comfort. Use scenarios Winter morning defrost and defog: quickly clears the windshield while keeping rear passengers comfortable, improving visibility and safety. Cold commute with rear comfort: faster cabin warming for both driver and backseat occupants, with adjustable airflow as needed. Summer or secondary space cooling: use the unit as a cabin fan to circulate air on hot days, or move the heater to a bedroom or office setup with a compatible 12V power source.