1. Multifunctional 3-in-1 water quality tester: TDS EC Temp2. 4 modes can be switched at will3. LCD display4. High-precision alloy probe, corrosion resistance, fast measurement, reduce error5. Suitable for various water quality testsIt is widely used in households, laboratories, farmland irrigation, fish tanks, sewage treatment, etc.Measuring RangeConductivity:0-9990 um/cmTemp : 0.1-80.0Celsius 32.0-176.0FahrenheitTDS:0-9990ppmAccuracy: 2%Size: 150x20x20(mm)5,Battery: 2*1.5V batteriesTips:When the measured value exceeds 999, the screen displaysX10package Types: Round plasticColour:greenMaterial: ABSPackage Contents:1 x water testerOnly the above package content, other products are not included.Note: Light shooting 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.