PoE (Power over Ethernet) Ethernet enabled loggers Auto data upload to cloud storage Free Web Storage - no monthly fees Dual channels (2 Temp or Temp & Humidity) Connect a TR-7wf series logger to your existing network and record temperature and humidity data directly to the cloud. No base stations or gateways required. Select from three models: TR-71nw for recording temperature from two inputs, TR-72nw for recording temperature and humidity, and a TR-72nw-H for high accuracy recording of temp and humidity. These loggers can run on PoE or are battery powered and record up to 8,000 readings on board with up to an 18 month battery life. If you're running PoE the battery serves as backup power. Manage setup, alerts, downloads and updates directly from your mobile device with the free App. Free Webstorage Service keeps data fully accessible via browsers and mobile devices so you're always connected to your critical data.