Allows Patients To Select From Ten Pre-set Body Icons For Targeted Therapy Making It The Easiest And Most Effective Tens Device Available On The Market Today With The Press Of Two Buttons The Easy-to-use Device Is Ready To Operate Effectively Based On The Area Of The Body That Is Being Treated Comes Complete With Ac Adapter For Effective Therapy On The Go Simple To Operate Portable Device For Pain Management 2-button Operation Device Has Ten Pre-set Body Part Selections Making It Easy For Patients To Target Certain Areas In Pain Body Part Selections Include: Neck Shoulder Mid Back Low Back Elbow Wrist Hip Knee Ankle And Foot Individual Body Part Selections Have A Customized Treatment Program Based On Researched Protocols 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 Adapter 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