The Circulation Booster has been designed to help increase circulation in the lower legs and feet. It is clinically recognized to increase blood flow, reduce swollen feet and ankles, and alleviate tired and aching legs. The Circulation Booster includes separate adhesive T.E.N.S. pads to target body pain.Mains powered. For further information please contact your local shop or call 01908 644133. We look forward to hearing from you.