Check the listing for details. 5in1 TDS PH EC Salinity Digital Tester Drinking Water Quality Purity Test Tester. Color: White, Condition: Open box. Listed at 14.95 USD. This item is from a store liquidation sale, box has been opened but everything is there and item powered up without an issue. I ship daily via USPS thanks for looking. This 5-in-1 digital tester is the perfect tool for testing the quality of your drinking water. With its electric measuring technology, it can quickly and accurately measure the temperature, TDS, pH, EC, and salinity of your water. The backlit digital display makes it easy to read, and the auto temperature compensation and automatic calibration features ensure accurate readings every time. This pH meter is made of high-quality ABS material and comes in a sleek white color. It is compact and lightweight, making it easy to use and transport. The manufacturer offers a 1-month warranty for this product, which is perfect for ensuring your peace of mind.