Feature 1Water quality monitor with 3 display screens, which can be displayed simultaneously. 2Support multiparameter measurement and monitor PH, EC, CF, TDS, temperature at the same time. 3Equipped with BNC composite electrode, high measurement accuracy, easy to install and replace. 4Water quality testing tool, supports wall-mounted installation, easy to operate and maintain. 5With a silicone protective cover, IP55 waterproof and dustproof, long service life.Item Type: Water Quality MonitorMaterial: ABSPower Supply: DC 6V, With Power Adapter (EU Standard 230V)Built-In Battery: 2000mah Rechargeable Lithium BatteryMeasuring Range:PH: 0.00-14.00CF:0.0-199EC: 0.00-19.99TDS: 10-19990ppmTemperature: 0-55 (32-131)Resolution:PH: 0.01EC: 0.01CF: 0.1TDS: 10ppmTemperature: 0.1 (0.2)Weight: Approx. 616g / 21.7oz .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 Monitor1 x Power Adapter1 x PH Electrode1 x Manual7 x Accessory1 x Wall-Hanging Fixed ToolNote