... 7-color LCD display)Alkaline water,purified water,acidic water,cleansing, filterlongevity (figure), water-flowing volume, water process, PH,ORP, electrolysis ... and electrolysis stagesElectrolysis levelsFour levels of alkaline water,one purified water and two levels of acid waterPH value5 ... PH valueFilter longevity3000L-12000L setting volume according to water qualities(about 3 to 12 months)ORP value3 ...