1、Multiple Functions: This smart water quality tester can test the 6 most important water quality indicators such as pH, total dissolved solids (TDS), electrical conductivity (EC), salinity, specific gravity (SG) and temperature. 2、24 Hour Remote Monitoring: This smart water quality tester comes with a mobile online app monitoring, providing users with a smart and convenient way to view real time data. 3、Miniaturized Design: This smart water quality tester is small in size and light in weight, which makes it very convenient to use and carry. 4、Setting Function: This smart water quality tester has a setting function that allows you to set safe ranges for each parameter through the mobile app. This feature allows you to receive notifications when readings exceed the minimum and maximum limits you have set. 5、Wide Application: This smart water quality tester is suitable for hydroponic systems, fish tanks, aquariums, swimming pools, spas, home drinking water storage and other applications that require efficient water quality monitoring. Item Type: Smart Water Quality Tester Material: ABS Monitoring Range: pH: 0.00pH-14.00pH EC: 0-19900us/cm, 0-199.0ms/cm SALT: 0-19900ppm, 0-199.0ppt S.G: 0.990-1.400 TEMP: 0°C-50°C (32°F-122°F ) 1 x Smart Water Quality Tester 1 x Adapter 1 x Probe 2 x Suction Cup 2 x Screw 2 x Expansion Tube 1 x Manual