The professional pH meter is a perfect tool for testing your water quality. Suitable for aquariums, pools, and environmental water systems. Features: - Qualified pH meter with replaceable electrode - Large and clear LCD with backlight, easy to read and accurate measuring functions - Simple to operate, strong and durable - Reliable basic glass electrode pH meter - ATC function for temperature compensation - CE and RoHS certified for safe and precise measurement - Ideal for use in water sources, aquariums, hydroponics, spas, swimming pools, and other water systems - Easy to replace electrode and meets various industry testing needs Specifications: - pH range: 0.00 14.00 - Resolution: 0.01 pH - Accuracy: 0.1 pH - Temperature compensation: 0 50C (32F 122F) - Operating temperature: 0 50C (32F 122F) - Calibration mode: ATC - Battery: 4 x 1.5V AG-13 button cell batteries (not included) - Color: Red - Material: ABS - Item size: Approx. 18 x 5 x 2.5 cm / 7.1 x 1.9 x 1.0 in - Item weight: Approx. 57.1g / 2.0oz - Package size: Approx. 21 x 10.4 x 5 cm / 8.3 x 4.1 x 1.9 in - Package weight: Approx. 144g / 5.1oz Package List: - 1 x pH Meter - 1 x User Manual - 1 x Screwdriver