1. TEST YOUR WATER: How pure is your water? Use the TDS meter to draw conclusions. With the numerical LCD display, you can see the changes in water quality more clearly and relieve the worries in life 2. design, easy to carry: The digital water tester is white, beautiful and elegant; the water quality tester is small and light; it can be carried in a leather case and you can take it with you wherever you want to perform water quality tests at any time to ensure the of your water quality 3. Precision measurement: The water quality tester for drinking water has a measuring range from 0 9990 ppm and can complete an accurate measurement in 5 seconds. Equipped with a highquality titanium alloy probe, the TDS water quality tester allows for a quick and convenient test 4. Easy and immediate: For the drinking water tester. Simply turn on the TDS meter and stir the water carefully. The higher the TSD value, the more impurities the water contains