This rechargeable 10-in-1 portable water quality tester integrates ten vital water detection indicators, including pH, ORP, EC, TDS, salinity, specific gravity, temperature, H2, fertile value and resistivity, meeting all-round water testing demands for fresh water, saltwater and nutrient solutions. Built-in automatic temperature compensation effectively avoids data drift caused by liquid temperature changes, delivering stable and precise readings with 0.01 high pH resolution.

Compact pen-shaped body with USB rechargeable design supports long-term outdoor field testing without disposable batteries. The sensitive corrosion-resistant composite probe realizes fast detection, and one-key simple calibration enables easy operation for beginners and professionals.

It perfectly fits drinking water inspection, freshwater & saltwater aquariums, hydroponic planting, swimming pools, aquaculture and laboratory analysis. This all-in-one cost-effective tester replaces multiple single-function meters, becoming a must-have tool for daily water quality monitoring.