2 OUTPUTS WITH 8 MODES 20 LEVEL INTENSITY 20 MINUTE DEFAULT TIMER RECHARGEABLE LITHIUM BATTERY AC ADAPTER 110 – 240V, USB CHARGER 5V BATTERY INDICATOR Ultra has two outputs. The great thing about isolated A and B outputs is that you can run two different programs at the same time. What's in the box Device x 1pc Large pad x 2 pcs Large pad x 2 pcs Electric Wire x 2 pcs USB cable & AC adapter x 1 set Acupunture point chart x 1 pc Instruction manual Collection board for pad and wire x 1 pc