The digital water tester boasts a 25 percent larger LCD display than its predecessor, ensuring effortless reading for all ages. Access a convenient TDS chart on the device and user guide for quick PPM reference. Experience a four-in-one upgrade with TDS, EC, Celsius, and Fahrenheit measurements in one device. Featuring a large backlit LCD, automatic locking, factory calibration, hold function, and auto-off after 2 minutes for extended battery life. Utilizing high-precision chips and titanium alloy probes, this water tester guarantees accurate and reliable results every time. Embrace cutting-edge technology for precise testing accuracy without delay. Protect your health by testing drinking water purity effectively. Monitor various water sources including RO/DI systems, aquariums, hydroponics, wells, pools, spas, faucets, and more with this multifunctional TDS tester. This water quality testing kit is an excellent choice for health-conscious individuals or outdoor enthusiasts. Ensure clean and healthy drinking water with this easy-to-use device. Item Name: Water Quality Tester Material: Plastic EC Range: 0-9990S, 0-9.9 Milliseconds TDS Range: 0-5000ppm, 0-8560ppm Temperature Range: 0-55 Degrees Celsius Accuracy: +/-2 Percent Battery: 2 x 1.5V LR44 Button Battery(Battery Included) Features: Portable, High Precise, Easy to Use Size Details: L: 15.7cm/6.18", W: 3.2cm/1.26", H: 1.6cm/0.63" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Water Quality Tester