Thera3+™ by ProActive™ is a 3-in-1 device that is rechargeable with 78 pre-set programs, along with the ability to fully customize treatment options. It has a large, easy-to-read LCD and includes all accessories. The Thera3+™ Dual channel TENS Electro-Stimulator relieves pain in 3 ways: TENS (Transcutaneous Nerve Stimulation) stimulates or numbs nerves EMS (Electrical Muscle Stimulation) prevents muscle atrophy Massage soothes sore areas Thera3+™, a 3-in-1 Physiotherapy Device: 78 pre-set programs Manual settings to fully customize treatment according to your healthcare professional’s specifications Rechargeable Sleek on-the-go pouch to keep your TENS unit and accessories together 2 lead wires with built-in guard to protect against wire splitting 4 easy to apply reusable self-adhesive comfort gel electrodes USB Cable Integrated Timer Large easy-to-read LCD that makes it easy to select the right settings for you. 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, Tennis & Golfer's Elbow, Diabetic Neuropathy, Degenerative Disk Pain, and more. ProActive™ offers a complete line of physiotherapy devices and electrodes, clinically proven to relieve pain without drugs. Lead wires - Thera 3+ (Rechargeable): 715-530Lead wires - Thera 3: 715-531