Feature 1Simultaneously measure PH/ORP, different water quality and ion oxidation degree to help you remove harmful substances in surrounding water. 2Realtime monitoring, through WIFI network settings, you can check the valid data status and water quality changes through your mobile phone. 3Corrosion resistance, simple maintenance, high accuracy, quick response and more stable data. 4Wallmounted design, easy installation and operation, durable and long service life. 5Wide range of applications, can be used in swimming pools, household water sources, fish tanks, chemical plant, etc.Item Type: Digital PH ORP ControllerMaterial: ABSColor: BlueMeasuring Range: PH: 0.0-19.99PH, ORP: -1999-1999MVResolution: PH: 0.01PH, ORP: 1MVAccuracy: PH: (0.1%+0.02PH), ORP: 5MVSetting Control Range: PH: 3.5-10.50PH, ORP: -500-500MV or 0-1000MVPlug: US PlugVoltage: 5A for AC 110VUses: Swimming pools, household water sources, fish tanks, chemical plant, etc.Weight: Approx. 1326g/2.9lbs .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 Detector2 x Sensor Head2 x Silicone Holder1 x Accessory Package1 x ManualNote1. Please allow 02 cm 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.