[Accurate Water Testing ]Measure the salinity, pH, TDS, EC, and temperature of water with precision, ensuring you have the most accurate information about your water quality.Simply dip the water tester into the water sample and get instant results. No calibration or additional tools required, making it convenient for both professionals and beginners. [Total Soluble Solid Content Indicator]The TDS value reflects the total soluble solid content in water, providing into the water's overall quality and purity. [Optimal Fish Environment]Maintain a suitable environment for fish life with a pH range of 6.5-8.5, ensuring their health and well-being in aquariums and fish tanks. [Versatile Applications]Widely used for home drinking water, aquaculture, hydroponics, and swimming pools. Test various water sources like tap water, plain boiled water, bottled water, subdivision water station, water purifier filtered water, and fish bowl water. Measurement Range : 1.SALT : 0.01%-10.0% 2.PH : 0-14pH 3.TDS : 0-9999ppm, 10-100ppt 4.EC : 0-9999us/cm, 10-200ms/cm 5.Temperature : 0-60/32-140F Colour:Black Material:plastic Package Contents: 1 x Salinity Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.