Feature:1. Qualified pH meter with replaceable electrode.2. Large and clear LCD with backlight, easy to read and accurately measuring functions.3. Simple to operate, strong and High quality to use.4. Reliable basic glass electrode pH meter.5. ATC function.6. CE and RoHS certificated to offer safer and precise measurement.7. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems.8. Very convenient to change its electrode, and completes with various industry test needs.9. Qualified pH meter with replaceable electrode.CE and RoHS certificated to offer safer and precise measurement.10. Simple to operate, strong and High quality to use. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems.11. ATC function.Very convenient to change its electrode, and completes with various industry test needs.Specification:The professional pH meter is perfect tool for testing your water level. Suitable for aquarium pool and environment water.Features:Qualified pH meter with replaceable electrode.Large and clear LCD with backlight, easy to read and accurately measuring functions.Simple to operate, strong and High quality to use.Reliable basic glass electrode pH meter.ATC function.CE and RoHS certificated to offer safer and precise measurement.Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems.Very convenient to change its electrode, and completes with various industry test needs. Specifications:Range: pH 0.00 14.00Resolution: pH 0.01Accuracy: pH 0.1 Temperature Compensation: 0 50 (32F 122F)Environmental temperature: 0 50 (32F 122F) Calibration Mode: ATC Battery: 41.5V AG-13 Button Cell Batteries (NOT Included)Color: RedMaterial: ABSItem Size: Approx. 18 * 5 * 2.5cm / 7.1 * 1.9 * 1.0inItem Weight: Approx. 57.1g / 2.0oz Package Size: Approx. 21 * 10.4 * 5cm / 8.3 * 4.1 * 1.9inPackage Weight: Approx. 144g / 5.1ozPackage List:1 * PH Meter 1 * User Manual1 * Mini ScrewdriverPackage List:1 * PH Meter 1 * User Manual1 * Mini Screwdriver