Includes Device  batteries  lead wires  1-4pack of electrodes  carrying case and users manual * Channel: Dual Channels  Isolated between channel * Output Maximum 130 mA (peak value) across 500 Ohm load * Pulse Width From:50 æS to 250 æS adjustable *  Pulse Rate:2 Hz to 150 Hz Adjustable * Wave Form:Symmetrical bi-phasic rectangular Monophasic rectangular * Operates on 2  AA  batteries (included) * Timer
 Average lead time for shipping: 8 + days.