Digital PH Meter, Kydara PH Meter 0.01 PH High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium Water PH Tester Design with ATC WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses. Ideal use to test for water, pools, aquariums, spas, hydroponics, food, wine and beer making and more. AUTOMATIC TEMPERATURE COMPENSATION: No more need to take care about the temperature of testing liquid, as ph meter has built in (ATC) automatic temperature compensation, so that it can accurately determine pH value of the sample at any temperature in a range of 0C - 80C (32F - 176F) EASE OF USE: Just remove the protective cap and immerse the PH meter electrode in the solution and turn on the PH by "ON / OFF" switch to be measured. Beats the heck out of trying to see the colors of a litmus strip. FAST AND ACCURATE: Ensure your pool, general hydroponics ph or even drinking water has a perfect pH balance and safe for use with VANTAKOOL Tester precision pH accuracy. VANTAKOOL Tester has a sensitive electrode sensor to read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading MAKE YOU SATISFIED WITH THE PRODUCTS: Come with 1x VANTAKOOL PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x ph buffer powder; 1-Year Warranty