Tells you PH level of liquid,Low battery alert,Water resistant,
Auto Off,One touch calibration,Reading hold function. One of the most versatile, hard-wearing pH meters on the market. Guaranteed to last for years with normal usage. This also has an auto off function so if you forget to switch off it will automatically shutdown and save on energy and extend lifespan. No worries about batteries going low and wondering why its not working, this meter will give you ample, accurate visual indication of battery life remaining.