Versatile Applications This water quality tester can be used in a wide ranges of scenarios, including testing tap water, aquariums, swimming pools, hydroponics, and more. Ensure the safety and water quality sources with this device. Portable and Convenient Featuring a detachable sensors and a compact size, this water quality tester is designed for easy carrying and storage. Take it with you wherever you go and test water quality while travel. Clear Display The LCD screen of this water quality tester shows the measured values clearly, allowing for easy reading. Stay updates about the qualities of water with this user friendly tool. Accurate Water Quality Testing This TDS pen allows you to easily measure the TDS value of water. With a measurement ranges of 0 9990PPM and an accuracy of +/ 2%, it ensures precise results every time. Suitable for Various Users Whether you are a homeowner, a gardener, a professional, this TDS pen is perfect for you. It provides essential information about water quality, helping you make informes decisions., Manufacturer: MULAIDI