Feature 16 IN 1 FUNCTION: Multifunctional 6 in 1 water quality tester, supporting PH, EC, TDS, SALT, SG, and ORP detection, to meet the needs of more growers. 2PLANT MONITORING: This tester helps monitor various values during plant growth, making it convenient for growers to check and adjust the plant growth environment. 3APPLICATION SCENE: This digital detector can be used to test drinking water, swimming pool, hydroponic system, bathtub, greenhouse reservoir, well water, etc. 4HIGH ACCURACY: This water quality detector has a wide measurement range and high accuracy, and suitable for any scenario that requires testing water quality. 5PORTABLE DESIGN: The water quality test pen has a portable design, easy to hold and operate, convenient to use anytime and anywhere, improves work efficiency.Item Type: Water Quality TesterMaterial: ABSBattery: 3 x LR44 Button Battery (battery not included)PH: 0.00-14.00pHEC: 0-19900us/cm, 0-199.0ms/cmTDS: 0-19900ppm, 0-199.0pptSALT: 0-199.0ppt, 0-20%S.G: 0.990-1.400ORP: -2000m-+2000mv.