Alkaline Water Ionizer Generation 2 Most internationally trusted product throughout the US Europe and Asia 13 Stages of Purification; Dual Filtration; 7 Platinum-coated Titanium Plates; 9 Different Types of Water 4 Alkaline 4 Acidic and 1 Neutral Programmable pH and ORP Levels up to pH 11 Auto-Diagnosis System; Filter Contamination Sensors and Filter Life Indicator 2 Year Manufacturer Limited Warranty