1、High accuracy PH meter, the measurement range is 0.00-100PH with 0.01PH resolution. 2、Easy to use, just insert the probe into the liquid and press the button for pH detection. 3、Wide application, this pen type pH tester is suitable for aquarium, aquaculture, fish tank, etc. 4、The pH meter is made of high quality material, which is not easily damaged, sturdy and durable. 5、High stability and high reliability guarantee more accurate measurement, lightweight and easy to carry. 1 x pH Meter (Battery Not Included)1 x User Manual Condition: 100% Brand NewItem Type: pH MeterMaterial: PlasticMeasurement Range: 0.00- 14.00PHResolution: 0.01PHWorking Temperature: 0℃-60℃Battery: 2 x 1.5V LR44 Button Battery (Not Included)Product Size: Approx. 3 x 1.3 x 15.5 cm / 1.2 x 0.5 x 6.1 inWeight: Approx. 89g / 3.1oz