Massage 7 Modes For Two Automatic Therapy , Two Automatic Slimming Programmes and 3 Single Manual Modes Built-in Body Fat Meter Clock with Alarm Two Channels Up to 4 Electrode Pads Can be Applied 8 Adjustable Intensity Levels For 2 Independent Channels Output Safety Protection Large LCD Display the Massaging Function Provide Safe and Drug-free Powerful Pain & Stress Relief Detachable Desk Stand Bracket Power source: Battery "AAA " x 3 Size/Weight: 121 x 75 x 27 mm / 150 gm(Included Batteries)