General description 6-in-1 Water Quality Detector is a smart tool designed for measuring pH, ORP, chlorine, EC, TDS, and temperature in various water sources, including domestic drinking water, hydroponics, laboratories, and aquariums. It features Bluetooth compatibility, allowing for real-time data transmission to a mobile application, where users can save, manage, and share their measurements effortlessly. Technical specifications PH value range: 0.1-14.0 Resolution: 0.1 pH Precision: ± 0.1 pH Temperature range: 0.1 ℃ - 80 ℃ (31.2 ℉ - 176 ℉) Temperature resolution: 0.1 ℃/0.1 ℉ Temperature accuracy: ± 0.5 ℃ EC range: 0-1999 µS/cm, 10.01-20.0 mS/cm, 2000-10000 µS/cm EC resolution: 1 µS/cm, 10 µS/cm, 0.01 mS/cm EC precision: ± 2% F.S. TDS range: 0-999 ppm, 1000-9990 ppt TDS resolution: 1 ppm, 10 ppm TDS precision: ± 2% F.S. ORP range: ± 999 mV ORP resolution: 1 mV ORP precision: ± 15 mV Battery: 3 x AAA (not included) Display: LCD digital display with backlight controlled by the app