Twice the battery life of a typical analogue device * Package Includes: Device, batteries, lead wires, 1 pack of 4 electrodes, carrying case and users manual * Dual channel device with 3 modes of operations(B, N, and M) * Unit uses 2 AA batteries * Pulse width, pulse amplitude, and timer are all adjustable * It is also equipped with a 30, 60, 90 minute timer, and has a protective cover over the controls * Nerve stimulator is a device used to treat chronic pain, and pain associated with active or post- traumatic injury unresponsive to other standard pain therapies * 7 pulses per burst, 2 bursts per second, 100Hz fixed frequency * Pulse width is automatically varied in a cyclic pattern over an interval of nominally 4.0 Seconds * Continuous output with adjustable amplitude, pulse rate, pulse width * HCPCS Code : E0720/ E0730 * 1 year warranty on the device