This high-precision water quality testing pen is designed to help you monitor the purity of your drinking water with ease. Its sleek and compact water tester makes it portable and convenient for household use. The water tester device ensures accurate readings, allowing you to assess the quality of mineral water and other sources effortlessly. Features -Color:White -Material:ABS -Size:15.00X2.50X1.50cm/5.89X0.98X0.59in -Total Dissolved Solids Measure Range:0-9990ppm -Temperature Measure Range: 0-99 degree centigrade; 32-212 fahrenheit scale -High precision measurement: accurately measure the mineral content in your drinking water to ensure your family health and safety -Instant testing convenience: simply dip the pen into water to get quick readings, making daily water quality monitoring effortless and efficient -Portable and lightweight: compact and travelfriendly, this water tester is good for home use or on-the-go testing during trips or outdoor activities -Versatile water testing: suitable for testing tap water, mineral water, filtered water, and more, providing a comprehensive understanding of your water quality -Longterm battery life: equipped with a sturdy battery that minimizes the need for frequent replacements, ensuring consistent performance for extended use Package list: 1 x digital water tester with packing box