Practical LCD screen: The digital data display provides ataglance monitoring of your filter performance. This water quality tester helps improve water purity and safeguard health. Simple to use: No special knowledge required; designed for convenient operation that everyone can handle. Advanced chip: Lowenergy smart chip and extended battery life enable efficient testing and reliable results wherever you need them. For most occasions: Alloy electrode probe enables fast detection and responsive all round testing of water quality, making it suitable for use with water purifiers, swimming pools, aquaculture, and other applications. Use scenarios: At home: monitor drinking water quality and perform routine purifier maintenance. In pools: quickly check water quality to maintain safe swimming conditions. In aquaculture: regularly test water parameters to support healthy fish farming environments.