Feature 1Multi parameter water quality monitor, supports measuring ORP, PH, temperature, conductivity EC, CF, TDS parameters. 2The clear LCD display with backlight can display 3 results at the same time, which can be monitored online for a long time. 3Suitable for water sources, aquariums, hydroponics, laboratories, spas, swimming pools and other water systems. 4Portable digital water quality monitor, stable performance, easy to use and provide instant visualization of results. 5High measurement accuracy, high resolution, the ORP is correctable, and it is suitable for water quality testing.Item Type: Water Quality TesterMaterial: ABSWeight: Approx. 850g / 30ozRange:PH: 0.00-14.00pH (ORP: 0-1999MV)EC: 0.00-19.99ECCF: 0.0-199.9CFTDS: 10-19990ppmResolution:PH: 0.01pH (ORP: 1MV)EC: 0.01ECCF: 0.1CFTDS: 10ppmAccuracy:PH: 0.1pH (ORP: 5MV)EC, CF, TDS: 2%F.SPower Supply: DC 6VBattery: Built in 2 sets of Ni-MH battery 110mAH (built in battery)Product Size: Approx. 152x80x26mm / 6.0x3.1x1.0in .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Tester2 x Probe1 x Connection Line1 x Adapter2 x Suction Cup1 x Screwdriver1 x Plastic Bracket1 x Manual1 x SuitcaseNote1. Please allow 01 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. The first time you receive the product, it can be tested after charging it for 23 times.4. The adapter does not have a wide voltage, taking into account the stability of the product and the ability to resist strong magnetic fields. Customers need to purchase adapters suitable for home use in their own country.