Feature 1High accuracy PH meter, the measurement range is 0.00-14.00PH with 0.01PH resolution. 2Easy to use, just insert the probe into the liquid and press the button for pH detection. 3Wide application, this pen type pH tester is suitable for aquarium, aquaculture, fish tank, etc. 4The pH meter is made of high quality material, which is not easily damaged, sturdy and durable. 5High stability and high reliability guarantee more accurate measurement, lightweight and easy to carry.Condition: 100% Brand NewItem Type: pH MeterMaterial: PlasticMeasurement Range: 0.00-14.00PHResolution: 0.01PHWorking Temperature: 0-60Battery: 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 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x pH Meter (Battery Not Included)1 x User ManualNote1. Please allow 0-2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.