Tens Unit FDA Approved Rechargeable- 6 Pulse Modes, 2 Outputs & 4 Electrodes Pads | 1 Year- Tennis Elbow,Carpal Tunnel Syndrome,Arthritis, Bursitis,and Other Inflammation Ailments 6 Auto Modes (stimulation programs) and Pause button 10- to 60-minute timer with auto shut-off, 20-minute default setting Adjustable massage strength levels with gradual increase / decrease setting option Portable and Compact device is easy to bring along in a bag or a suitcase for on-the-go use Attachment pads, Rechargeable Battery and Power Adapter included