The sensor module is easy to use, sensitive in testing, and accurate in PH value testing. PH test value is wide, 0-14PH measuring range and 0-80℃ measuring temperature. Great workmanship, with strict quality control and quality assurance, high safety factor, can be used with peace of mind. Made of high-quality materials, strong and durable, has a long service life. With small size, easy to carry and store, convenient to use and with good performance