6 in1 Water Quality Detector - PH EC TDS ORP CL Temperature Calibration Portable APP Online Monitor for Swimming Pool

4 In 1 Detecting Function: This handheld tester checks pH, Total Dissolved Solids (TDS), electrical conductivity (EC), water temperature and free chlorine, while also supporting ORP measurement and calibration functions so you can fully assess water quality. Mobilephone APP Remote View: Pair the device via BT with your smartphone to read all measurement results and history on the companion APP in real time. Large LCD Display with Backlight: A sizable backlit screen makes readings easy to see in low light or complete darkness; the backlight can be switched on or off from your mobile phone. IP67 Waterproof Construction: Built to IP67 standards, the unit is safe for use in wet environments and designed for long service life. Custom Alarms: Set high and low limits for pH, EC and ORP; values that fall outside the configured range are highlighted in red to alert you immediately.