Water Quality Tester PH Meter Detector for Drinking Water Swimming Pool Aquarium Features: Made of high quality plastic material, this product is sturdy and durable. PH composite electrode two-in-one composite electrode, durable, stable potential, small error. Automatic temperature compensation without manual calculation. Convenient holding: easy to operate, no more chemicals need. Application: Apply in spas, swimming pools, river water, soil-free growing, aquarium, hydroponics and other water systems. Specifications: Condition: 100% Brand New Item Type: PH Meter Material: Plastic Battery: 2 x 1.5AG13 Battery (Not Included) Measurement Range: 0.01-14.00pH Resolution of pH: 0.01 Accuracy: ±0.1pH Automatic Temperature Compensation: 0-80℃ Working Environment: 0-80℃, RH