1、Multifunctional PH Meter: BT version PH water quality test pen, support BT version 5.2, can be used to measure pH, RH and temperature, suitable for water quality testing. 2、Automatic Data Storage And Sharing: Data can be automatically saved and manually saved, the saved data can be exported to an Excel table, and can also be shared with your friends. 3、Data Synchronization Display: Just immerse the electrode in the solution to be tested, and the data will be synchronized to the mobile phone APP, easy to view data. 4、Highly Sensitive Electrode: Highly sensitive glass electrode, high accuracy, rapid response, corrosion resistance. Small and light weight, easy to store and carry. 5、Scope Of Application: Widely used in drinking water, sewage treatment, water purification, fish tanks, breeding, swimming pools, hydroponics, health care, etc. Item Type: pH meter Material: ABS Weight: 127g / 4.5oz(approx.) Range: pH: 0.00-14.00 pH, humidity: 1-99%RH Resolution: 1%RH, 0.01 PH Accuracy: ±0.05 PH, ≤2%RH/year Calibration: 4.00/6.86 /9.18--4.00/7.00/10.01 Power Supply Mode: 3 x 1.5V LR44 (not included), low battery warning ATC: 0.1-60.0℃ Use Environment: 0.1 to 80.0℃ RH: 90% Product Size: Approx. 158 x 33 x 21mm / 6.2 x 1.3 x 0.8in Backlight: Support mobile phone to control the backlight BT Version: Mobile phone BT version 5.2 Location: Support testing precise location Printing/Data Storage: Support printing/excel table Scope of Application: Widely used in drinking water, sewage treatment, water purification, fish tanks, breeding, swimming pools, hydroponics, health care, etc. 1 x pH meter 1 x Lid 1 x Manual