HGTRH 7 in 1 Water Quality Tester, Smart Testing Meter with LCD Display APP Monitor WIFI Connection for Swimming Pool Hydroponics Drinking Aquariums

7 in 1: Wall-mounted professional water quality detector, professional for measuring pH, EC, ORP, CF, salinity, S.G., and thermometer. The measurement unit can be switched with one click on the screen Large LED Screen: 3 LED screens, multiple parameters can be displayed at the same time, LCD backlight display has clear readings, and supports night monitoring APP Connection: Accurate real-time Wifi data transmission and clear measurement values allow you to easily save, manage and share test data without worrying about data loss Easy To Use: Just Turn The Meter On And Stir Water Gently, Press The Button, And Stabilized Readings Will Be Auto-Locked On The Lcd In 10–30 Seconds. The Meter Automatically Turns Off To Conserve Batteries If It Is Not Operated For More Than 5 Minutes Wide Application: Suitable For Water Sources, Aquariums, Hydroponics, Laboratories, Spas, Swimming Pools And Other Water Systems