The iPosture Golf-Pro was developed by physicians and specially engineered to work as a personal coach to help you achieve your best posture. The secret of this small unit is WINS™ (Wearable Intelligent NanoSensor), a highly advanced microchip programmed to continuously measure the position of the body to help create the ideal posture just for you. (Includes 30-day supply of EZ Stick Adhesives and Batteries)