Parts List: 1x Water Tester 1x Manual Highlight description:[3 In 1] 3 In 1 digital TDS water tester provides accurate measurements of TDS EC and temperature. Three different measurement needs can be fulfilled by one meter, absolutely a helpful kit for your life. [Fast Accurate] Equipped with high-quality titanium alloy probe, which enables quick and convenient test. Advanced and reliable automatic temperature compensation ensures measurement accuracy, which reaches 0-9999ppm.[Auto-Off Hold Function] The water tester will shut off automatically after 5minutes of non-use to conserve batteries. There is also a hold function that saves measurements for convenient reading and recording.[Easy To Use] Remove the pen cap before use, next press the switch, and put the water tester into the water, after the value is stable, press the HOLD button to read the value.[Wide Application] Water tester can test drinking water quality to protect the health of children, the elderly, and pregnant women. And it is also widely used in hydroponics, swimming pools, spas, aquariums, etc. Detailed description: Specification:Product name: Water TesterMaterial: ABSColor: blue, white (optional)Size: 154 x 30 x 14mm/6.06 x 1.18 x 0.55 inMeasurement range: Conductivity: 0-9990 s/cmTDS: 0-9999ppmTemperature range: 0.1-80.0C (32.0-176.0)Accuracy: 2%Battery: 1x 3vCR2032 button cellApplication: home, hydroponics, swimming pools, spas, aquariums, etc.Note:1. Please allow 1-3cm measuring deviation due to manual measurement.2. Due to the different monitor and light effect, the actual color of the item might be slightly differe