[pH Meter with BT]Powered by the mobile app, professional measurement of pH/TDS/EC//Temp (/), suitable for home drinking water, hydroponics, laboratory, aquarium and more. [Cloud Based Data Management System]Precision real-time data transmission, the measurement value is clear, and it allows you to save, manage, and share your test data easily, and you don't have to worry about data loss. [Automatic Calibration pH Tester] With highly sensitive pointed end, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH 3-point calibration can be used, and you need to provide your own calibration powder (pH 4.00, pH 6.86, pH 9.18) for calibration to the accuracy of your measurements. [Comprehensive Information Display] Simply immerse the pH meter electrode in the solution to be tested, readings are quickly displayed on a large LCD display. Through a mobile phone application, you also have a multi-parameter display at the same time. [Wide Applications]This meter can measure pH, TDS, EC, and Temp in fresh water situations, such as saltwater pools, spas and aquariums. It can also be used to measure drinking water, System, spa, soap mixtures, food, wine, beer or any other liquids. Range: pH: 0.00~14.00pH TDS: 0-19900ppm, 0-199.0ppt EC: 0-19900us/cm, 0-199.0ms/cm : 0-1990.0CF Temp: 0-50 (32-122) Resolution: pH: 0.01pH TDS: 1ppm (Less than 1999ppm), 10ppm ( 1999ppm), 0.1ppt EC: 1us/cm (Less than 1999us/cm), 10us/cm ( 1999us/cm), 0.1ms/cm : 1CF Temp: 0.1 / 0.2 Accuracy: pH: 0.05pH EC/TDS/: 2% F.S Temp: 1.0 Battery: 4 * 6V batteries (Not included) Temperature Compensation: 0-50 Operating Temperature: 0-50 The actual product may have slight color difference or difference, which will not affect the use Colour:Blue Material:plastic Package Contents: 1 x pH Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.