The Aleviaâ„¢ 2-in-1 Tens and EMS Unit by ProActiveâ„¢ is clinically proven to relieve pain without drugs. Both Tens and EMS devices rely on small electrical impulses delivered by electrodes that can be an effective way to manage pain. ProActive 2-in-1 Tens and EMS Machines provides drug-free pain management in 2 great ways.The Tens relieves nerve related conditions such as lower back pain, sciatic nerve pain and arthritis pain, while the EMS is designed to stimulate muscles and proven to be effective in preventing or reducing muscle atrophy. In addition, EMS helps by increg blood flow to the muscles, range of motion, muscle strength and endurance. It can also help manage pain related to spastic, sore or tight muscles. This grey 2-in-1 Tens and EMS unit gives you the ability to fully customize treatment options or choose one of the 18 pre-set programs from its large, easy-to-read LCD. Package includes 1 - 2-in-1 Tens and EMS Unit, 2 lead wires, 4 easy to apply reusable gel electrodes, 1 - 9V battery, durable carrying case and illustrated instructions. The Aleviaâ„¢ 2-in-1 Tens and EMS Device by ProActiveâ„¢ is the drug-free way to relieve your pain. Model 715-425The Alevia 2-in-1 Tens and EMS Device by ProActive is the drug-free way to relieve your pain. Included in this pain management kit is a durable carrying case, 2 lead wires, 4 easy to apply reusable gel electrodes, a 9Vbattery and easy to follow instructions. This grey 2-in-1 tens and ems device gives you the ability to fully customize treatment options or choose one of the 18 pre-set programs from its large, easy-to-read LCD. Timer from 5 to 60 minutes. Helps relieve pain from arthritis, sciatica, neck shoulder pain, leg, knee foot pain, lower back pain, carpal tunnel syndrome, whiplash, groin strain, fibromyalgia, plantar fasciitis, etc. The Alevia 2-in-1 tens and ems device by proactive is clinically proven to relieve pain without drugs.