... 2.Dupont ion exchange membrane;3.Dual Filter System;4.8 modes-four levels of alkaline, three levels of acidic and ... heat sensor to prevent overheating;7.One-touch, dynamic, digital display;8.Advanced SMPS Power supply: stronger electrolysis, run cooler, last longer ... and lighter;9.Multi color, full function LED and digital display;10.High luster, high intensity, abrasion resistance, grass fiber ...