1Wide measurement range, it can test 0~14PH value, high measurement accuracy, small error, suitable for daily use 2The electrode probe is sensitive in detection, and the probe can be replaced to extend the service life 3Large LCD screen display, clear imaging, with backlight function, it can be clearly displayed in the dark environment, convenient for reading and recording 4Equipped with temperature compensation function, the machine will automatically calibrate when the temperature of the test object differs from the ambient temperature 5It 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 Item Type:PH Meter Material: ABS Weight: Approx. 322g / 11.36oz Range: 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: 0C~50C Working Temperature: 0C~50C 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. 1 x PH Meter(battery not included) 1 x Probe 1 x Adapter 2 x Suction Cup 1 x Screwdriver 1 x Black Bracket 1 x Manual