(Fast measurement / High precision) pH measurement range: 0.0 - 14.0 pH (resolution 0.1 pH), measurement accuracy: +0.1 pH. Adopts alloy probe for super sensitivity, and can measure water once in about 30 seconds. Automatic temperature compensation function allows you to read more accurate pH values by adjusting to water temperature and water quality. Please take out the batteries if you don't use them for a long timeLCD display and auto off function: The pH meter uses an LCD screen for convenient reading and more accuracy. And the LCD screen is waterproof. The pH meter can measure pH and temperature. In order to save battery, it will automatically turn off after 5 minutes of useEasy to Operate, Japanese Instruction Manual: Turn on the power supply, dip the electrode in the solution, shake it several times, and wait for a while, you can get the measurement values. It also comes with an original Japanese instruction manual for easy use(Highly Durable and Easy to Carry) The surface is made of ABS material that is impact resistant. Choose advanced electrodes for fast and accurate data measurement. Small body size makes it easy to put in porquets and save space(Wide Range of Applications and Package Contents) The digital pH measuring instrument can not only be used for daily water safety, but can also be used in many other situations. For example: laboratories, scientific research, industrial, sewage treatment, boiler water, pharmaceutical, tap water, aquatic culture, drinking water, enzymes, well water, saltwater, goldfish potted water, pool water, ink, ionized water, home water quality inspection, photo cleansers, saliva, human urine pH value, etc. Very effective in the growth of aquatic organisms such as fish and aquatic plants.