1. Large LCD screen: large digital display, the detection number is clearly read.2. PH detecting probe: adopts high precision waterproof probe, can accurately record the measurement position, sensitive response.3. 9V battery compartment: light weight, low power consumption, energy saving, long battery life.4. A variety of scenarios can be used: suitable for water quality testing, such as drinking water testing, swimming pools, laboratories, aquaculture, sewage treatment, etc..5. Maintenance: Shake off the water after the test is completed, keep the motor clean, if not used for a long time, please take out the battery and cover the electrode protection cover for storage!Product model:PH602Measuring range:0.00-14.00PHResolution:0.01PHprecision:0.05PHOperating temp:0-50Automatic temp compensation:0-50battery:1 9V battery (Battery not included)Calibration mode:Manual two-point calibrationDue to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.Colour:As ShownMaterial:ABSPackage Contents:1 * Water Quality Tester kitOnly 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.