Features: The portable water quality tester with backlit PHs testing feature is a must-have for anyone concerned about their water health- and safety. This 5-in-1 device measures salinity, TDS, temperature, EC1, and PHs levels- accurately and quickly, making it ideals- 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 tanks- water, or conducting experiments in the lab-, this device is versatile enough to handle any situation. With its sturdy- plastic constructions, 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 PHs ranges: 0--1-14pH ECs ranges: 0-10000-uS/centimeter TDS ranges: 0-1000-ppm Salinity ranges: 0-25.00-% TEMP ranges: 0.1-60 Battery: 3x1.5V Button Battery(Not included) 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