KIT INCLUDES 1 Double Value 2in1 FDA cleared Class II OTC HealthmateForever HM10AB electro Therapy device (combined TENS unit and Muscle Stimulator), 4 piece self-adhesive conductive reusable gel pads, 2 sets of electrode wires (2.5mm plug), 1 USB Charger/Wall Unit (international travel charger 110V - 240V), 1 Pads Holder, Operating Manual, Acupuncture placement point chart, Lifetime Warranty Card, BONUS: Free Educational Reference Booklet. FEATURES - 10 preprogrammed massage modes in a rectangle design. Tuina (Push & Pull), Acupuncture, Tapping, Guasha (Scraping), Leg, Cupping, Weight Loss, Body Building, Feet, Combination. An adjustable 10-60 minute timer and 20 levels of adjustable intensity in channel A or channel B. Dual outputs are isolated, so both channel A and channel B has the same 100% power, without reducing strength in half. Allows 4 pads to be applied to the two different targeted areas at the same time. Rechargeable internal lithium battery? up to 10 hours of continuous use. Easy to read animated backlit LCD Display.