This versatile 5-in-1 water quality tester from GOLDSYNCO is an essential tool for anyone who needs to monitor water conditions accurately. The handheld digital meter measures five critical parameters: salinity, pH levels, total dissolved solids (TDS), electrical conductivity (EC), and temperature, all displayed on an easy-to-read digital screen. Whether you're maintaining a swimming pool, caring for an aquarium, or testing drinking water quality, this CE/FC certified device delivers fast, reliable readings at the touch of a button. The ergonomic pen-style design makes it comfortable to hold and simple to operate, with intuitive controls that allow you to switch between different measurement modes effortlessly. Its compact size and durable construction make it ideal for both professional and home use, while the digital display ensures precise measurements you can trust. Perfect for pool maintenance professionals, aquarium enthusiasts, and anyone concerned about water quality, this comprehensive testing meter eliminates the need for multiple devices, saving you time and money.Do not immerse the device body in water.