Feature 1Remote Monitoring: This water quality detector can realize online wireless remote monitoring, real time data reception, and automatic storage 2APP Connection: Dual control with APP, this PH, TEMP, EC water quality online controller, in places where there is no wireless WiFi, you can use your mobile phone to turn on the hotspot for APP connection 3Multiple Language Support: Support Chinese, traditional Chinese, English, French, German, Russian, Japanese, Korean, Spanish languages 4Scope of Applications: Suitable for water source, soilless culture, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc 53 in 1 Multifunction: Separated PH, EC and temperature sensor probe with less interference and more accuracy More comprehensive monitoring of water qualityItem Type: Water Quality MonitorMaterial: ABSGross Weight: 1075g / 37.9ozProduct Size: 16x11.5x4CM / 6.3x4.5x1.6inRange: PH 0.00pH-14.00pHEC: 0-19000us/cm 0-199.0ms/cmTemperature: 0C-50C (32F-122F )Resolution: PH 0.01PHEC: 1us/cm(<1000us/cm)10us/cm(>1000us/cm) 0.1ms/cmTemperature: 0.1C (0.2F)Alarm Setting Range: EC 0-20000us/cmTemperature Compensation: 0C-50CWorking Temperature: 0C-50CFeatures: With WIFI, APP functionApplications: Suitable for water source, soilless culture, aquarium, laboratory, hot spring, environmental water, swimming pool, water purification system, etc. .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 Cable1 x Electrode10 x Accessories1 x Instruction ManualNoteElectrodes must be recalibrated when:1. No calibration for a long time.2. Regular and long term continuous use.3. High accuracy is required.