Feature:1. Multifunctional : 24 hour real time monitoring of PH value of fish tank or aquarium2. Easy to Install: The water quality monitoring device can be easily hung on the fish tank through the attached bracket or fixed on the wall through the hanging hole. It is also equipped with suction cups3. Wide Range of Applications: Suitable for seawater, horticulture and water planter applications, in which PH need to be continuously monitored for optimal plant growth4. Uses: Used in sewage plants, laboratories, pharmaceutical research, food processing, food testing hospitals, natatoriums, CDC, water plant laboratories and aquaculture5. Parameter: PH measurement range is 0.0014.00, with high accuracy, small error and convenient measurementSpecification:Item Type: Water Quality DetectorModel: PH-990Material: ABSBattery: 1.5V 4 x LR44 (Excluding)Supported Language: EnglishBasic Parameters:Range: 0.00 - 14.00pHResolution: 0.01pHAccuracy: 0.1pH.Package List:1 x Water Quality Detector 1 x PH Electrode1 x Power Adapter 1 x Screwdriver1 x Hook and Loop1 x Hanger1 x Suction Cup1 x User ManualNote:Shipped without battery