The Digital TENS 7000 is portable, operates on a 9V battery, and is easy to use as it can either clip onto clothing or slip into a pocket. A compliance meter displays how long the device has been used, and a timer allows the device to be programmed to run for the desired session duration. It features Dual Channel, 5 modes, Timer, Patient Compliance Meter, 1000mA Output, Safety Amplitude Cover, and a Sturdy Metal Belt Clip. The System Includes; Stimulator, Lead Wires, 3 Packages of 4 Self-Adhesive Electrodes, 9V Battery, Hard Plastic Carrying Case, and Instruction Booklet.