He Intensity Twin Stim Iii Combine Tens And Ems Therapy In One Easy-to-use Digital Device. * When Operating In Tens Mode The Unit Has Four Modes And Three Modes When Operating In Ems Mode. * An Industry Leader At 105 Ma This Device Comes Standard With An Ac Adapter. * * Simple To Operate Portable Device For Pain Management. * Unit Combines Tens And Ems Therapy For Optimal Treatment. * Four Modes For Tens Therapy: Burst Normal Mod 1 And Mod 2. * Three Modes For Ems Therapy: Synchronous Asynchronous And Delay. * Comes Complete With Carrying Case Two Sets Of Lead Wires 9-volt Battery Ac Adapter Manual And Pack Of Four Self-adhesive Reusable Electrodes. * Power Source: Standard 9-volt Battery Or Ac Adaptor. * Dimensions: 4.5 X 2.55 X 0.9 * Weight: 0.28 Lb. With Battery. * One Year Warranty. * Hcpcs Code: E0730* For Tens Unit. * Hcpcs Code: A4595* For Electrotherapy Supplies.