Features: Multi-Parameter Measurement 5-in-1 Functionality: This device accuratly measures pH, Total Dissolved-Solids TD-S, Electrical Conductivity EC, Salinity, and Temperature. G High-Precision pH Monitoring: Achieve exact-pH readings with a high-degree of accuracy, crucial-for maintaining balanced water in aquariums, hydroponics, or for ensuring safe drinking water Comprehensive TDS-Analysis: Quickly determine the level of dissolved impurities in your water, helping you assess water puritys and filter effectiveness. Ideal for reverse osmosis systems and tap water quality checks. Clear Backlit LCD Display: Features a large, easy-to-read LCD screen with a backlight, allowing for convenient readings even in dimly lit conditions or at night, enhancing user experience. Wide Range of Applications: An essential tool for a multitude of uses, including testing drinking water, swimming pools, spas, aquariums, hydroponics, laboratory use, environmental monitoring, and food processing. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: TDS-measurement range: 0-1000ppm EC measurement range: 0-10,000µs/cm PH measurement range: 0.01-14.00pH Salt water meter measurement range: 0.00-25.00 Temperature measurement range: 0 DegreeC-60 DegreeC Material: ABS plastic body electrode probe Power supply: Built-in 3 1.5V button batteries Set includes: 1 tester, 3 calibration powder packs, 3 1.5V button batteries, 1 English instruction manual, and 1 color box. Package List: 1 Pool Salt Tester