7 Modes massager: 2 Automatic Therapy, 2 Body Slimming Programmes, 3 Single Manual Modes Built-In Body Fat Meter Clock with Alarm Two Channels up to 4 electrode pads (included) 8 intensity levels selection for 2 channels independently Timer setting 5-30 minutes Large LCD Display Date/Time, massage modes, graphic intensity levels Detachable Output Safety Protection Power Source: "AAA" x3 batteries (included)