7-in-1 multifunctional design: This water quality tester integrates 7 detection functions including PH measurement, making it versatile for testing drinking water, swimming pools, aquariums, hydroponics, and more. One device handles all your water testing needs, saving time and money. Fast and accurate results: Equipped with dual chips and optimized circuits, it delivers quick data processing and stable calibration values. The high-precision sensor provides reliable measurements for professional-grade water quality monitoring at home. User-friendly interface: Clear display with one-to-one correspondence between functional units, reducing reading errors. The silicone buttons are designed for long-lasting performance and resist discoloration after extended use. Voice broadcast function: A voice announcement feature broadcasts detection data when your hands are occupied, making it convenient to record readings while handling other tasks and enabling multitasking during testing. Use cases: - Regularly test drinking water quality at home for safety and compliance. - Monitor pool or spa water to maintain proper chemistry and comfort. - Maintain aquariums or hydroponic systems with accurate, convenient readings.