KIT INCLUDES 1 Double Value 2in1 FDA cleared Class II OTC HealthmateForever PM10AB electroTherapy device (combined TENS unit and Muscle Stimulator), 4 piece self-adhesive conductive reusable gel pads, 2 sets of electrode wires, 2 AAA batteries, 1 Pads holder, User Manual, Lifetime Warranty Card. FEATURES - 10 preprogrammed custom designed therapeutic modes. Neck, Shoulders, Wrist, Back, Elbow, Hand, Hip, Knee, Ankle, Foot. With an adjustable 80 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.Powered by 2 AAA Batteries and an easy to read animated backlit LCD Display.