The WIFI series of temperature and humidity data loggers are the temperature and humidity measuring instruments via WiFi signal. The whole series of the instruments support the recording function. Users can view real time data via internet, which is one of the distinctive features of this series. These data loggers are with professional PC software, mobile APP and website system. Users can choose one of them to configure the functions and parameters of the instrument, and can use the website system and mobile APP to view and analyze data in real time as well. It can also generate the data report directly without any additional software in multiple file formats via the PC software.