This six-in-one water quality tester can measure the pH value, total dissolved solids, EC, temperature and chlorine in the water. This tester can help you fully understand the quality of the tested water so that you can drink or consume it more easily. If you are interested in this product, then go ahead and buy it, it will not let you down. Product Features: Four-in-one detection function: This water quality tester can measure the pH value, total dissolved solids, EC, temperature and chlorine in the water for you, helping you to fully understand the quality of the tested water. Mobile APP remote viewing: After successfully connecting your mobile phone via BT, you can view all test results on the APP. Large LCD screen with backlight: The large display with backlight allows you to read the test data normally even in dim light or even in complete darkness, and you can turn on/off the mobile phone backlight. IIP67 waterproof: The IP67 waterproof rating allows this product to be used normally in water and can provide a long service life. You can set the high or low limit of PH/EC/ORP as needed, and when the test result is higher or lower than the limit, the value will be displayed in red to remind you. Specifications: Material: Plastic PH: Range: 0.1-14.0pH Resolution: 0.1pH Accuracy: 0.1pH CL: Range: 0.1-4.0 mg/L Resolution: 0.1 mg/L Total Dissolved Solids: Range: 0-999ppm, 1000- 9990ppm Resolution: 1ppm, 10ppm Accuracy: 2%FS ORP: Range: -999+999mV Resolution: 1mV Accuracy: 15mV Temperature: Range: 0.1~8032.1~176.0 Resolution: 0.1 Accuracy: 0.5 Calibration: pH: 6.8/4.0/9.2 or 7.0/4.0/1.0 ORP: 256mV ATC Temperature: 0.1~60 Environment: 0.1~80, RH: Max 90% Total Dissolved Solids Factor: 0.1 -3.0 (factory default 0.5) EC temperature compensation: 0.1-3.0%/(factory default 2.0%/c) BT: Version 5.2 Waterproof Data storage: can store the latest 1000 data records Package size: 160 * 100 * 100mm/6.3 * 3.9 * 3.9 inches Package weight: 210g/7.4oz Package list: 1 * Water quality tester