The Cozzia Zen Pro 3D Massage Chair. This smooth operator uses 11 perfectly choreographed massage programs to soothe every muscle. Dual Head 3D Rollers glide with precision using Double Body Scan Technology to map your specific body position. The Touch Screen Remote makes choosing your favorite features a breeze… from Zero Gravity to Foot Rollers, customize your massage in a snap. Heavy Duty Structure: 350 LB Weight Capacity, Reinforced Steel Frame. Extendable Leg Extension. The automatic leg extension will accommodate everyone in your home, with 9.8 inches of length adjustment. The stop sensor feels the bottom of your foot and stops for the perfect leg position. Automatic Programs With the Zen 3D Pro massage chair, you can choose from 11 expertly designed automatic massage programs with one touch. Each program thoughtfully combines various massage techniques such as Kneading, Swedish, Tapping, Shiatsu, Clapping and Rolling. Shoulder Width Adjustment: Adjustable shoulder air massage with three width settings: wide, medium, and narrow. Fits broader width shoulders. Suitable for bigger people. Helps with stretching by holding you in place. Double Body Scan. The Cozzia ZEN Pro 3D detects both the curvature of your spine and your shoulder position for an accurate massage, that's just right for you. Data from the body scan is used by the chair's microcomputer, targeting your muscle groups to ensure that you receive a thorough massage experience. (Ships in 3 Boxes)