Feature:1. PH Tester: This digital PH tester is calibrated at the factory, with the press of auto calibration button, it will automatically recognize calibration solutions for accurate readings.2. Bluetooth Connection: This PH tester supports data export via email, allowing you to sync data on your smartphone APP, compatible with for IOS and for Android system.3. High Sensitivity: Equipped with high sensitivity glass probe, this water quality tester enables quick and easy readings of accurate pH values.4. Reading Lock: With one key reading lock function, even if the pH meter is removed from the sample, you can still read the value.5. Versatile Applications: This pH temp tester is suitable for various water quality testing scenarios, including water source monitoring, aquaculture, agricultural irrigation, laboratory use, and farming.Specification:Item Type: PH Temperature TesterMaterial: ABSModel: BT300Range: PH: 0.00-14.00PH; Temp: 0-50 (32-122)Resolution: PH: 0.01PH; Temp: 0.1 (0.2)Accuracy: PH: 0.03PH; Temp: 1.0Battery: 9V 6F22 280mAh lithium battery x 1 (built in)Temperature Compensation: 0-50Working Temperature: 0-50.Package List:1 x PH Temperature Tester1 x Instruction Manual1 x Storage BoxNote:Maintenance: After the test is completed, dry the water and keep the motor clean. If it is not used for a long time, please remove the battery and cover the electrode protection cover.