Brand: Xiaomi Color: White Model: TDS Water Quality Tester Dimensions: 90mm x 50mm x 40mm Weight: 30 grams The Xiaomi Mi TDS Water Quality Tester analyses the purity of your drinking water accurately so that your health is safe from foreign metals and organic materials. Simply place the pen into the water you want to test and press the button. The TDS (total dissolved solids) of water is measured on the display. The lower the TDS the higher the water purity. Easy to use, dip the module into the water to show an accurate TDS data reading. Measures water purity accurately and reliably. Estimates content of heavy metals, organic materials and salinity. Detects three kinds of impurities including soluble salts, organic and metallic ions. Precision technology for more accurate detection. Tests the purity of running water, plain boiled water, barrelled pure water, cell water, filtered water, aquarium water. IPX6 waterproof body. Anti-rust and corrosion materials. Built-in low energy chip (automatically sleeps within 2 minutes). Water storage cap. Changeable button batteries. Brand Xiaomi SKU MI094EL14TQKKNAFAMZ-192057 Model TDS