The 6 In 1 Water Quality Detector is a multi-function water tester that can measure the pH, EC, TDS, ORP, temperature, and chlorine levels in water. With this device, you can easily understand the quality of the water you are testing. One of the key features of this water quality tester is its mobile app remote view function. By connecting the tester to your mobile phone via Bluetooth, you can view all the testing results on the app. The tester features a large LCD display screen with backlight, allowing you to read the testing data even in dim or dark environments. You can also control the backlight settings directly from your mobile phone. With an IP67 waterproof rating, this water quality tester can be used in water without any issues and is designed to provide a long service life. It also has an alarm function that displays values in red when they are above or below the set limits. The 6 In 1 Water Quality Detector is made of durable plastics and comes with a range of specifications. It has a pH range of 0.1-14.0pH, a CL range of 0.1-4.0mg/L, and a total dissolved solids range of 0-999ppm and 1000-9990ppm. Other specifications include an ORP range of -999 to +999mV, a temperature range of 0.1℃ to 80℃, and a calibration function for pH and ORP. The tester is powered by 3 AAA batteries (included) and can store up to 1000 records of data. The package includes the Water Quality Tester and has dimensions of 160 * 100 * 100mm, with a weight of 210g. Key Features: Measures pH, EC, TDS, ORP, temperature, and chlorine levels in water Mobile app remote view function Large LCD display screen with backlight IP67 waterproof rating Alarm function for values above or below set limits Durable plastics construction Calibration function for pH and ORP Can store up to 1000 records of data