This powerful digital TENS machine has a large liquid crystal display and easy operation press buttons, ideal for people who have difficulty reading smaller panel inscriptions or turning smaller dials. The unit offers 32 stimulation modes for pain relief and muscle training. There are 5 adjustable TENS modes, 3 adjustable EMS modes and 24 professional presets of TENS and EMS available. Digital Kit includes: 1 x TENS machine unit 1 x D size 9-volt battery 1 x AC power adaptor 2 x electrode leads 4 x self adhesive electrodes (pack of 4) 1 x instruction manual 1 x hard plastic carrying case