WatchDog Wireless Standard Plant Growth Station (Data Recorder - No Modem) measures Temperature, Relative Humidity, and Broadband PAR. With 1 additional available port, add an extra sensor in addition to those already integrated. View Current Conditions in the WatchDog App, and run standard and customized reports with our SpecWare 10 Pro Software Download (required with purchase). NOTE: 3000 Series stations sold after April 2024 have multiple enhancements which are supported by SpecWare 10 Pro. SpecWare 9 Pro cannot download the new data format.