... therapy, medical health products, manufacturer in chinaIt creates a high potential field surrounding the body, neutralize the excess positive charge ... diseases. Here are some key features: ModelJKF-XN-A(B)High Potential1500V, 3500V, 5000V, 9000VNegative Potential-1500V, -3500V, -5000V, - ... SupplyAC220V ±10%, 50Hz ±1Hz, or 110V±10%, 60Hz ±1Hz High Potential Therapy Device(CE Certified) (JKF-XN-A)