The Ambient Weather WS-0900-IP is an impressive unit for its price point. (You can get a brand new model for just under three figures as of this writing.) The bang that you get for this weather station's buck includes a number of features usually only found on more expensive brands. Like most weather stations that don't just sit on your bookshelf looking pretty, it comes out of the box with an outdoor sensor array that includes a thermo-hygrometer (for measuring temperature and humidity), a wind gauge that will give you both wind speed and direction, and a rainfall monitor. The indoor ObserverIP module plugs directly into your router for WiFi connectivity and can receive RF signals from your outdoor array from up to 300 feet away. If you want to make sure you have that outdoor array mounted properly, it has a built-in level-sensing bubble, so you don't have to dig around in your toolkit to find a level to make sure it isn't leaning windward. The outdoor array also includes a mounting pole
This Ambient station also has WiFi connectivity, so you can monitor and control it from your computer or smart device. It also connects to the Weather Underground service, which will keep a record of your weather conditions and share them with other users. There's an indoor thermo-hygrometer/barometer unit for checking the conditions inside your house and for monitoring changes in barometric pressure. Because this unit has no indoor display you'll have to view all of your readings through Weather Underground, which seems like a small inconvenience for having all these features at this low a price. Obviously this unit isn't for users who want an attractive weather tchotchke sitting around the house, but seems fine for dedicated weather enthusiasts who are more interested in detailed weather information than in home decor.
For a more expensive unit that will both give you an attractive indoor display and a similar outdoor sensor unit, check out the AcuRite 01512. For a similar and comparably priced unit that will give you the same amount of information but no WiFi connectivity for Weather Underground, see the Excelvan Professional Wireless.
Works okay, but there is no way to read the indoor temperature remotely on android or PC. If all you are interested in is the outdoor temperature, this may be just fine.
What I like is that the outdoor temperature and humidity sensor is separate from the anemometer. This eliminates any problems associated with the sun.