Feature:1. [Simple Operation] The temperature and acidity meter is simple to operate and easy to use, and can be used as an excellent choice for water quality testing.2. [Small Portable] Using sophisticated production technology, the PH meter is small and portable, easy to carry, and strong in practicability.3. [Intelligent Backlight] With intelligent backlight, the sensor system can automatically turn on or off the LED backlight according to the surrounding light level.4. [Wide Application] Widely used in environmental protection, food, sanitation, geological prospecting, industrial wastewater, drinking water, acid rain detection.5. [Material] Made of high quality ABS material, the PH tester is sturdy, durable, not easily damaged, and has a long service life.Specification:Item Type: PH MeterMaterial: ABSModel: For PH 6020ABattery: 4 x LR44 (Battery Not Included)Uses: Domestic Water, Swimming Pools, Laboratories, AquariumsSupport Language: EnglishMeasuring Range: 0.00 to 14.00PHResolution: 0.01PHAccuracy: 0.02PHPH Correction (3 Point Automatic Correction): 4.01, 7.00, 10.01.Package List:1 xPH Meter1 x Electrode3 x PH Powder1 x User Manual1 x Plastic BoxNote:Shipped without batteries, shipped with powder