Key features

• •Adjustable mesh lumbar support (curve measurement: 4"-8"), provide better ventilation and gently conforms to lumbar curve to keep the spine in proper alignment. (Tutorial Video: http://amzn.to/2qS3tmY)
• •Best cooling solution for intense summer driving; small air vents at the seat and 7 larger air vents at the seat end to absorb body heat quicker, reduce perspiration and prevent sweaty skin.
• •Refined 12V car premium cigarette plug with 3 stage airflow HIGH-OFF-LOW speed control switch and LED power indicator to minimize loose connection in the long run.
• •Optional fitting at back rest of either vertical or horizontal strap to firmly affix to the car seat; vertical fitting at rear side of the car seat while horizontal fitting one strap under the head rest and the second strap at lower end of backrest. Additional fitting for seat cushion under seat by fixing metal and plastic hooks. Fitting possible at driver seat and co-driver seat. Suitable for cars seat with side airbags
• •Universal fits for most automobile driver and passenger seats; optional AC 110V-230V to DC 12V, 1A adapter for indoor use for maximum comfort and high productivity in summer. (not included, check link: https://www.amazon.com/dp/B00XBNL45I).