The water quality monitor is professional and useful tool for testing pH of solution level. Suitable for aquarium pool, drinking water and environment water.Features:Widely used to test the pH of solution/water.Imported IC and high cost performance.Easy calibration of pH with just a mini-screwdriver.Electrode probe can be replaced, ATC function.Automatic temperature compensation.Large and clear LCD with backlight, easy to read and accurately testing functionsApply in water sources, aquarium, hydroponics, laboratory, spas, swimming pools and other water systems.Specifications:Range: pH: 0.00 ~ 14.00pHResolution: pH: 0.01pHAccuracy: pH: plus or minus 0.1pH Temperature Compensation: 0 degree Celsius ~ 50 degree Celsius (32 Fahrenheit degree ~ 122 Fahrenheit degree )Working temperature: 0 degree Celsius ~ 50 degree Celsius (32 Fahrenheit degree ~ 122 Fahrenheit degree ) Power Supply: DC 6V (Power-supply Adaptor)Plug Type: EU / US (Optional)Input Voltage: 100~240V Battery: 4*1.5V AG13/LR44 Button Cell Batteries (NOT Included)Color: BlackMaterial: ABSLength of pH Electrode Line: Approx. 118cm / 46.5in Item Size: Approx. 75 * 55 * 28mm / 2.9 * 2.2 * 1.1in Item Weight: Approx. 49g / 1.7oz Package Size: Approx. 21 * 10.4 * 5cm / 8.3 * 4.1 * 1.9inPackage Weight: Approx. 286.4g / 10.1ozPackage List:1 * pH Meter1 * User Manual1 * pH Electrode 1 * AC-DC Adapter1 * Suction Cups1 * Bracket1 * Mini Screwdriver