User Manual - Read thoroughly Extra Information Helps with Pain Management No side effects Eclipse @ TENS Device NEW -Reusable Flexible Peel & Stick Electrodes - See Pictures Lead Wires Empi Conductive Gel Stimulator Controls and Features On/Off Indicator Channel 1 and Channel 2 Amplitude Control Knobs Garment Clip Sliding Cover Battery Cover Works Will need 9V Battery Soon Very Good Lightly Used Condition