Comes with  two massage pads Material: ABS Power Supply: 3 x 1.5V AAA batteries or Power Adapter (Batteries NOT Included) Power Adapter: input AC 100-240V Properties: Treating diseases exactly with digital techniques. Super-large screen and easy operation. Treating diseases completely by electrodes. Immunotherapy and canceling deceased cells. Comfortable feeling. Positioning conveniently by channel. Adapting acupuncture tech Nyphogenesis special and adjustment function for blood. Safe and reliable quality Caution: For some diseases, the machine will help to improve your health if you keep using it, but it can't fully replace medicine. For first-time users, please try it on your leg or lower back; don't try on the upper body, until you feel accustomed to it. Please follow the doctor's advice if he had warned you about using this kind of machine. Never use the machine on those who have been using the following therapeutic electronic instruments. - Heart rate regulator and body built-in electronic therapeutic instruments. - Artificial cardio-pneumatic pacemaker, electronic life support, and treatment instruments. - Cardiometer and wearing-on type electronic therapeutic instruments. Malfunction or danger may occur for the patients who have been using the above-listed instruments together with our machine. What's in the box 1 x Meridian Machine 2 x Electrode adhering tips and pads 1 x USB charging cable 1 x user manual (English) 1 x Power adapter