Feature 1、It is a multifunctional water quality tester, which can test salinity PH TDS EC and ORP of the water. 2、It features high performance, pen shape, fast numerical stability and accurate calculation result. 3、Adopts the digital screen display with backlight, which is more clear and convenient to read data. 4、Suitable for domestic water, food salinity, fish tank, aquarium, farmland, swimming pool, aquaculture, laboratory, etc. 5、IP67 waterproof, this meter can still be used when dropping into the fish tank, convenient to use. 6、Detachable probe design to prevent accidental probe damage,high reliability, easy to operate.Condition: 100% Brand New Item Type: Water Quality TesterMaterial: ABS+ElectronColor: As shown in the pictureSize: Approx.183x37mm/7.2x1.46inWeight: Approx.162g/5.7ozApplication: For sea water testing, water quality testingBattery Properties/Capacity: 3 x 1.5v (LR44) button battery 100MAH(Included)Waterproof Grade: IP67 .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 Water Quality Tester1 x Instruction ManualNote1. Please allow 0-1 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.