Acti Patch uses electromagnetic pulse therapy to relieve pain & inflammation. Low level & safe electromagnetic pulses stimulate cells to speed recovery. Electromagnetic pulse therapy has been proven safe & effective & has been used for decades for clinical use by physicians & physiotherapists. Acti Patch delivers benefits of electromagnetic pulse therapy in a small, convenient & economical patch for personal use due to recent advances in microelectronics. Clinically proven pain & inflammation relief at the source. Long lasting lasts up to 720 hours of controlled use with unique On/ Off switch. Safe to use for diabetics, arthritics, elderly & people with a compromised renal function. Can be combined with any medication & used overnight.