Standard Watchman unit (Temperature and Humidity)
Suitable for measuring room / surrounding air temperature (-40 to 170F, accuracy of +/-5%) and humidity (0 to 100%). Ideal for home, remote/vacation home, store, office, storage, tech rooms, barns, RV etc
Designed for indoor placement and works with your existing 2.4G WiFi router. There is gateway option ($20) in case you are looking for an easy plug-and-play setup or prefer not to share your WiFi credentials with watchman. It is available on Buy Watchman page.
If you only care to read the data remotely, then you may choose this version of the Watchman and save few bucks.
It is the low-cost version of the Standard Watchman. There is no on-unit display, however it offers the same set of features as Standard Watchman.