Features: The portable water quality tester with backlit PH testing feature is a must-have for anyone concerned about their water health- and safety. This 5-in-1 device measures salinity, TDS, temperature, EC, and PH levels- accurately and quickly, making it ideal- for both personals and professional use. It is perfect for homeowners, gardeners-, aquarium enthusiasts-, laboratory technicians, and anyone who needs- to test the quality of their water regularly. Whether you're testing your drinking water, fish tank- water, or conducting experiments in the lab-, this device is versatile enough to handle any situation. With its sturdy- plastic construction, easy-to-read display, and compact- size, the is the perfect tool for ensuring that your water- is safe and healthy for consumption. Specifications: Size: approx 183x37mm/7x1.5-inch PH range: 0--1-14pH EC range: 0-10000-uS/cm- TDS range: 0-1000-ppm Salinity range: 0-25.00-% TEMP range: 0.1-60 Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xPH Meter