1. Wide measuring range, it can test 0~14PH value, high measurement accuracy, small error, suitable for daily use 2. The electrode probe is sensitive to detection and the probe can be replaced to extend the service life 3. Large LCD screen, clear image, with backlight function, it can be displayed clearly in the dark environment, convenient for playback and recording 4. Equipped with temperature compensation function, the machine will automatically calibrate when the temperature of the test object is different from the ambient temperature 5. It is widely used to test the pH value of solution/water. pH calibration is simple and equipped with a small screwdriver, convenient and quick to install and disassemble Specification: Item Type: PH Meter Material: ABS Weight: Approx. 322g / 11.36oz Range: pH 0.00 ~ 14.00 pH Resolution: PH 0.01 PH Accuracy: PH ± 0.1 PH Battery: 4 LR44 button batteries (battery not included) DC6V Temperature compensation: 0°C~50°C Working temperature: 0°C~50°C Product size: approx. 75 x 55 x 20 mm / 2.95 x 2.17 x 0.79 inch 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 probe 1 adapter 2 suction cups 1 screwdriver 1 x black holder 1 manual