this unit retails for $999 at Relaxtheback.com was a total life saver when i was having serious issues. it was the onlt thing that helped me during that time Sliding Backrest - Intelligent mechanism-free recline uses the laws of physics and the sitter’s weight to automatically provide the perfect amount of support through the full range of recline. Double Locking Safety Catches - You are always in complete control by engaging the thumb-activated safety catches that determine the degree of inclination. 15 and 30-Degree Inversion Angles - Even at a 15-degree inversion angle, you will experience mild stretching which can relieve muscle tension and improve circulation. Total Product Weight: 74 Lbs. Max User Weight: 330 Lbs. User Height Limit: 4'5" - 6'9"