【5-in-1 MULTI FUNCTION】-This digital pH meter is designed with a 5-in-1 function, which is can be used to test the PH / TDS / EC / Salinity / Temperature of water. The measuring range is pH 0.00-14.00 (0.05PH accuracy), TDS 0-10000ppm, 10.1-200.00 ppt, EC 0-10000uS/cm, 10.1-19.99mS.20.1-400.0mS/cm, salinity 0.00%-25.00% and temperature 0-60℃.【LCD GREEN BACKLIGHT DISPLAY DESIGN】- This PH meter is designed with a clear LCD green backlight screen that displays the information in an intuitive layout. You can still read the digital even in a low visibility situation. With a handheld pocket size design, it is also convenient to carry out. And 5-minute auto-off design saves power and ensures battery life.【HIGH ACCURACY PH TESTER】- The glass probe of t.