Feature: 1. High Performance: Water quality monitor, pH meter acidity meter, stability and high, without frequent adjustment. 2. LCD Large Screen: Large and clear LCD large screen display backlight, easy to read and accurate test function for night use. 3. Multipurpose: For water sources, aquariums, hydroponics, laboratories, spas, swimming pools and other water systems. 4. Applicability: Suitable for students, professionals and even individuals to achieve the correct pH and temperature levels in water quality monitoring and analysis. 5. Small And Portable: Compact, light weight, easy to carry, reliable, accurate and user friendly readings. Specification: Item Type: PH Meter Product Material: ABS Product Size: Approx. 7.5 x 5.7 x 2.2cm / 3 x 2.2 x 0.9in Plug: EU Plug Voltage: 230-240V Battery Type: 4 x LR44 Button Cell (Battery Not Included) Range: PH 0.00~14.00PH Resolution: PH 0.01PH Accuracy: PH ±0.1PH Temperature Compensation: 0°C~150°C (32°F~122°F) Operating Temperature: 0°C~150°C (32°F~122°F) Weight: Approx.334g / 11.8oz. Package List: 1 x PH Meter1 x PH Electrode1 x Power Cord1 x Suction Cup1 x Bracket1 x Mini Screwdriver1 x User Manual Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.