For Your Back Problems and Beyond: Use the powerful red light therapy pad with the included velcro extender to cover your lower back and waist, your upper back, arms, legs, feet, & more! For Your Accelerated Recovery: Tap into the power of near-infrared and red light therapy for knee and whole-body to stimulate your muscle and tissue repair after workouts, sprains, strains, and more! For Improved Condition: Brand New