The Therapist’s Choice TENS2N1 OTC gives the user the choice of five Modes of TENS and two Modes of EMS. Features include, dual channels, seven modes, timer, patient compliance meter, new stronger 100 mA output, safety amplitude cover, sturdy metal belt clip and rubber side railings for maximum handling. Use the tens unit as an electric massager pain relief device and then use the EMS side for muscle rehab. There are many uses for our device including neuropathy pain relief for feet, nerve pain relief, back relief, neck pain, or as just a muscle stimulator for pain relief. This is the Best Value TENS & EMS Combo on the market, Compare and Save!