Ten 6-in-1 water quality testers can PH, check the distributed constant, EC, temperature and chlorine in the water. Ten testers can help you fully understand the quality of the water being tested, so you can use or allow free water. If you are interested in this, come and try it, it will not disappoint you. Perfect gift for newborn parents, newborn mother, newborn father, baby shower, birthday, Christmas, festival and so on. 4-in-1 Added Function: This tester of water quality can measure PH, exactly the dissolved constant amount, EC, temperature and chlorine in the water, and help you fully understand the quality of the water being tested. Remote preview of the mobile application: After checking with my mobile phone via BT, all test results can be viewed in the application. Large LCD display screen with backlight: The large display screen with backlight allows you to read test data normally even in low light or even in better darkness, and you can also turn your phone backlight on/off. IP67 waterproof: IP67 waterproof rating makes this product can be used normally in water and can be used for long working time. You can set the upper or lower limit of PH/EC/ORP as needed, when the test results are above or below the range, the value will be displayed in red to alert you. Technical data: Material: plastic pH : Ranges: 0,1-14,0pH Resolution: 0,1pH Accuracy: ±0,1pH CL: Ranges: 0,1-4,0 mg/L Resolution: 0,1 mg/l Sum of dissolved messages: Ranges: 0-999ppm, 1000-9990ppm Resolution: 1ppm, 10ppm Accuracy: ±2% full scale ORP: Ranges: -999 999mV Resolution: 1mV Accuracy: 15mV Temperature: Ranges: 0,1 ℃ ~ 80 ℃, 32,1 ℉ ~ 176,0 ℉ Resolution: 0,1 ℃ Accuracy: ±0,5 ℃ Calibration: pH: 6,8/4,0/9,2 or 7,0/4,0/1,0 ORP: 256 mV Temperature ATC: 0,1 ℃ ~ 60 ℃ Environment: 0,1 ℃ ~ 80 ℃, relative consideration: max. 90% Total dissolved constant coefficient: 0,1-3,0 (default factory setting 0,5) Temp. Compensation: 0,1-3,0%/°C (factory setting 2,0%/C) BT: version 5.2 Waterproof: IP67 Battery: 3 * AAA battery (included) Data storage: with 1000 data records Package Weight: 210 g / 7,4 oz List of things to pack: 1 * Tester water quality Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.