pH from 3.0 up to 11.5 -900 Oxidation Reduction Potential ORP 9 Titanium Platinum Plates Limited Lifetime Warranty Antioxidant Boost Technology 1600ppb Hydrogen Levels What's Included Diverter Hardware Set Carbon Water Filter Flexible Metal Spout Water Hosing Descaling Solution Wall Mounting Equipment pH Tester/Reagent With Color Chart (Value $29.95) Owners Manual Product Specifications Dimensions: 8.3″ (L) x 4.3″ (W) x 12″ (H) Standing Weight: 13.5 pounds Installation: Counter top Faucet Diverter Optional Under-Sink Plate Quantity: 9 Plates, 163 square inches surface area Plate Design: Durable, energy efficient, multilayer, platinum coated titanium Power System: Transformer Voltage: AC 110V/60Hz Wattage: 5w – 400w adjusting to source water Max. Operating Temp: 60C / 140F Water Flow Rate: 4 liters per min (adjustable) Cleaning Cycle: 3 Stage Cleaning Cycle: After every use, when water stops, the positive and negative poles of the plate will be reverse automatically for 10 seconds. Auto-cleaning at shut off. After the machine has been working for 1 year, we need to proceed with manual cleaning using the cleaning agent provided with the machine. Electroplate: RTI distinct electroplate ETL Certified: If it gets plugged into a household outlet, it needs to be ETL certified by an independent laboratory as being electronically safe. Unlike many of our competitors who skip this important step, all our water ionizers are ETL certified safe.