Features: Achieve precise Acid measurements with our Acid Meter Pen, designs for accuracy across various liquids, ensuring you can Monitors acidity and alkalinity effortlessly. This digital Acid tester is lightweight and portable, featuring a digital display and simple operation, power by long service batteries for extended use. Suitable for home users, gardening enthusiasts, laboratory personnel, and Aquariums managers search reliable Acid monitoring. Perfect for testing drinking water, swimming pool water, soil, and fish Tanks quality, making it Multifunction for different environment . Constructed with a ABS shell and PCBs board, this Acid meter combines durability with advanced technology for consistent Performances. Specifications: Material: ABS+PCBs Length: about 155mm/6inch Width: about 31mm/1in Measure ranges: 0-14.0PH Accuracy: 0.01PH Battery: 2x1.5v Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item. Package includes: 1xpH Meter