Easily programmable and made to fit any budget, the EL-WiFi-TH is suitable for temperature and humidity monitoring in any field, including food and pharmacy storage, refrigerator and freezer monitoring, warehousing, recording on factory and museum floors, and more. This data logging sensor measures the temperature and humidity of its environment recording temperature at a range of -20°C to +60°C (-4°F to +140°F). It is rated IP 55 to ensure it keeps logging even in extreme industrial environments. The sensor features a display allowing you to view the strength of the WiFi signal and find the best sensor placement. It is capable of logging more than 500,000 data set entries.