Feature: 1. Wide measurement range, it can test 0~14PH value, high measurement accuracy, small error, suitable for daily use 2. The electrode probe is sensitive in detection, and the probe can be replaced to extend the service life 3. Large LCD screen display, clear imaging, with backlight function, it can be clearly displayed in the dark environment, convenient for reading and recording 4. Equipped with temperature compensation function, the machine will automatically calibrate when the temperature of the test object differs from the ambient temperature 5. It is widely used to test the pH of the solution/water. The pH calibration is simple and equipped with a small screwdriver, which is convenient and quick to install and disassemble Specification: Item Type: PH MeterMaterial: ABSWeight: Approx. 322g / 11.36ozRange: PH 0.00~14.00pH Resolution: PH 0.01PH Accuracy: PH ±0.1PH Battery: 4 x LR44 button battery (battery not included) DC6V Temperature Compensation: 0°C~50°C Working Temperature: 0°C~50°C Product Size: Approx. 75 x 55 x 20mm / 2.95 x 2.17 x 0.79in Suitable for water systems such as water sources, aquariums, hydroponics, hot springs, swimming pools, etc.. Package List: 1 x PH Meter(battery not included)1 x Probe1 x Adapter2 x Suction Cup1 x Screwdriver1 x Black Bracket1 x Manual