Intelect TENS Digital Wound Care Model Accessories 100 FOOT CLINICAL ROLLS * Autoclavable Up to 325 100 FOOT CLINICAL ROLLS * X Heavy Black * Available in seven levels of resistance * Made of natural rubber * Thera band colors increasing in difficulty through seven levels from tan to silver * The color coding system provides positive reinforcement and feedback for gauging results * and trusting customer service *Dual Independent Channels *Adjustable timer on standard and digital units *Adjustable Frequency and Pulse Duration parameters *Basic and Standard units feature three modes: Burst Normal and Modulation *Digital units feature 5 modes: Burst Normal Modulation Rate and Width Strength Duration and Bi Pulse * Digital unit has easy to read LCD Display and convenient digital controls