[5 in 1 Water Quality Test] The pH meter is designed with 4 in 1 function,which can measure PH,TDS,EC,salinity and temperature simultaneously with great precision.Omnidirectional water quality measurement to ensure the health of water quality.[Precise measurement]: In order to achieve high accuracy,it is equipped with an alloy probe of high quality titanium and reliable Automatic Temperature Compensation (ATC),which helps ensure accurate reading at different temperatures.[Auto power off function] The power off function auto voltage cuts off the power after 5 minutes without any operation to save energy.[IP67 Waterproof Rating] IP67 is an international waterproof and dustproof certification.Protection against dust intrusion,short-term immersion.[Wide range of uses]: This water quality detector is ideal for testing water,swimming pools,aquariums,spas,hydroponics,laboratory and drinking water etc. When shopping,please pay attention to the size and dimensions of the product to ensure that it meets your needs.In the title and ,we have provided detailed information about the product,including its features and specifications We want you to be completely satisfied with your purchase,so if you have any questions or concerns,please don''''t hesitate to contact us.We are here to help and will do our best to assist you. Thank you for choosing our product.We hope you enjoy it!