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 quality1 x Water Quality Tester1 x Cable1 x Electrode10 x Accessories1 x Instruction Manual