1. Multiple scenes:Such as drinking water testing, swimming pools, laboratories, aquaculture, sewage treatment, pasta, meat, soil and more! 2. Soil EC value is an index to determine water soluble salt in soil It is to determine whether salt ions in soil have limited influence on growth. 3. Automatic temp compensation More accurate measurement:The temperature have a certain impact onthe water quality measurement value. The measurementerror be automatically eliminated according tothe change of ambient temperature. 4. High precision sensitive electrode:Keep the electrode clean and cover the protective case after use. 5. Maintenance:After the test is completed, dry the water and keep the motor clean. If it is not used fora long time, please take out the battery and cover the electrode protection cover for storage! Operating temperature:0-50℃ battery:2 x1.5V AAA size batteries(Battery not included) Colour:black Material:ABS Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Water Soil Quality Tester 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.