Description Digital pH meter, pH meter acidity meter, easy to use, easy to get accurate test results. Ideal for use in labs or scientific experiments. Versatile: The pocket pH meter is the ideal test kit for home and laboratory use. Ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer making and more. Easy to carry, easy to carry with you when you go out. EASY TO USE: Simply dip the pH meter electrode into the solution to be measured and the reading is quickly displayed on the large LCD display. Easy to use and easy to get accurate test results. Easy to carry, easy to carry with you when you go out. Ideal for use in labs or scientific experiments. Dear buyers, due to lighting effects, monitor brightness, manual measurement, etc., the color and size of the photo and the real object may be slightly different. Sincerely hope you can understand Thanks Package Included