1、[PH AND TEMP TESTER] The water quality tester can be used to measure PH and temperature values with high accuracy. 2、[BLUETOOTH FUNCTION] Multifunctional PH tester, supports Bluetooth function, mobile APP intelligent control and full screen display. 3、[MULTIPLE FUNCTIONS] Support calibration and measurement value query operations, support value sharing excel sheet and printing, etc. 4、[WIDE MEASURE RANGE] The water quality monitor has a wide range of PH and temperature measurement, with good practicability. 5、[APPLICABLE SCENES] Compact size for easy to hold, suitable for drinking water, hydroponics and aquarium water quality monitoring. Item Type: Water Quality Tester Material: ABS PH Range: 0.00-14.00PH, Resolution: 0.01PH, Accuracy: ±0.05pH TEMP Range: 0.1℃-60.0℃/32.1℉-140.0℉, Resolution: 0.1℃/0.1℉, Accuracy: ±0.5℃ Calibration: рH, 4.00-6.86-9.18/4.00-7.00-10.01 Temperature Compensation Range: Automatic (0.1℃-60℃) Bluetooth: Bluetooth 5.2 version Electrode: Replaceable Electrode Backlight: Mobile phone control backlight Battery: 3 x 1.5V LR44 (battery not included) Product Size: Approx. 187 x 37 x 37mm / 7.4 x 1.5 x 1.5in Weight: Approx. 158g / 5.6oz 1 x PH Tester(Battery Not Included) 1 x Cover 1 x User Manual