KKmoon PH Meter Water Quality Analysis Device Power-saving pH-007 with Automatic Temperature Compensation ATC Function Auto Calibration and Backlight LCD Great to measure the pH level & temperature of solution/water. Imported control chip & full waterproof imported ATC sensor - more durable. ATC function(Automatic temperature compensation) and backlight LCD display. Zero power consumption when the pH meter shutdowns - more power-saving. Imported smart IC ensures high cost performance & high stability. Test temperature in  / (switchable unit). Apply in water sources, soil-free growing, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems. Very wide variety of applications, used for testing the acidity and alkaline levels of almost any liquid. CE, FCC and RoHS certificated to offer safer and precise measurement.