1. Professional 6in1 water testing: Our water quality testing device measures pH, ORP, CL, TDS, conductivity and temperature in a compact device, eliminating the need for multiple testing tools and providing comprehensive water analysis for pools, aquariums, drinking water and hydroponics. 2. Advanced monitoring technology: Equipped with a large LCD backlight that is visible even in dark environments, this tester provides accurate measurements with impressive accuracy (± 0.1 pH, ± 2% for TDS, ± 15 mV ORP). 3. IP67 waterproof design: The fully waterproof construction protects sensitive electronic components from accidental submersion or splashing, making it suitable for regular use around water sources while providing exceptional durability and reliable performance in wet conditions. 4. Bluetooth connectivity: Easily connect to your smartphone via Bluetooth 5.2 technology to view, track and analyze all test results remotely through the dedicated mobile app, allowing you to monitor water quality trends and store up to 1000 data sets for comprehensive analysis.