Wagan infra-heat lumbar cushion and extender is the perfect way to loosen up your tense back muscles and feel instant relief. 2 infrared heat lights allow heat to penetrate deeply into muscle tissues to relax and soothe. Soothing infrared heating points focus on spots most prone to back tension. Stress reducing lumbar support protects lower spinal discs. The lumbar extender stretches the spine and promotes better spine alignment and reduces stress and fatigue in the lower back. Heat therapy has been used for decades to promote proper circulation, provide comfort, relieve tension, and minimize stiffness. With new infrared technology, warmth and muscle-penetrating comfort can be obtained at just the push of a button. With a simple, yet sophisticated design, this stylish cushion not only provides heat relief, but its ergonomic design also provides lower back support to help improve posture. Includes both AC and DC adapters for use in the home, office or vehicle. Also doubles as a foot massager when it is placed on the floor.