I've been meaning to get myself a weather station and after a lot of reading, decided on the WS-2902c for a number of reasons. Here's an overview of this product, if you're considering a purchase: The Sensor Array The sensor array is the part that stays outdoors and contains most of the weather sensors. The sensor array itself is pretty lightweight and easy to assemble; it can measure temperature, barometric pressure, wind speed, wind direction, humidity, rainfall, and sunlight strength. Assembly takes a few minutes and will require a precision screwdriver (aka jeweler's screwdriver), which is not included. The rain bucket funnel installation was slightly trickier than I expected. The instructions tell you to push it down and rotate clockwise. This is correct, but the tabs on the funnel need to align to the grooves in the bucket, or things won't click in place. Also, it required more force when pushing down than I expected. The sensor array works with two AA batteries and a small solar panel. Don't forget to remove the sticker that covers the solar panel before installing the array on a pole. In fact, the manual wisely recommends that you assemble the array and make sure it connects to the console before installing it in a permanent location. It's also important to note that you *cannot* use rechargeable batteries on the sensor array (different voltage). Regular alkalines should last for years, but I used a Lithium AA (non-rechargeable) for maximum time between recharges. Remember, the array only uses the batteries when there's no solar light available, and it only sends one pulse of data every 15s or so. Sensor Array installation (outdoors) This is the fun part of installing your weather station. First, search around the Internet for instructions on where to mount your sensor array. More expensive models allow setting up each component at a different location (for instance, temperature sensors are best if installed ~5ft from the ground, but anemometers need to go 10-15ft high and so on). This model has all sensors in a single unit, so a compromise is needed. It's important to not mount the station too close to other obstacles (trees, roofs, etc) and not too close to lawns (where irrigation will throw the humidity measurements off). In my case, I used a 2" PVC conduit (see photo) to raise the station above my roof. The included U-bolts (used to tie the sensor array to the pole) can accept pipes up to 2" diameter but this is *outside diameter*. PVC pipes are measured in inside diameters. In my case, a PVC junction and a reduction bushing + a small piece of 1 1/2" PVC worked beautifully. I had to brace the pole to an existing 4-by-4, with three EMT braces, which worked beautifully. Another tip is: If you want to use PVC, use at least 2" for more stability. Even 2" PVC starts to wobble after 6ft or so (which is what I needed). A metal pole is stiffer and ideal but presents complications with lightning. If you use a metal pole, make sure you properly ground it! Ideally, pay an electrician to do it if you're unsure about how to do that. The console The console is the part that stays inside your house. It has a few functions: - Measures indoor temperature and humidity. - Connects to the Sensor Array using the ISM band (915Mhz). - Connects to your WiFI (2.4Ghz only!) and transmits data to ambientweather.net and others. To set up the console, you also need a cellphone app. For Android, the app is "Awnet". It has terrible ratings, and is very simplistic, but did the job for me. Once you configure the console, you don't need to use this app anymore. The app will also check the firmware on the station and, if required, prompt you to upgrade it. If that's the case, make sure to upgrade the firmware. Newer versions come with nice features, like allowing the console to connect to arbitrary webservers. The console requires 3 AAA batteries and will use them to keep the configuration intact if the power goes out. It is OK to use rechargeable batteries in the console. The console will optionally transmit your data to ambientweather.net, where other people can see your data in realtime. It can also directly upload to other sites like Weather Underground and to a custom site (if, for example, you run your own web server and want to further process this data.) Note that ambientweather.net (the site) itself can transmit your data to other personal weather station aggregators. So in fact you only need to transmit your data once (to ambientweather.net). From there, you can configure the site to transmit to pwsweather and weather underground. It's all free. Now, the bad: The display on the station is awful. The viewing angles are very narrow. I installed mine on a wall and it became almost unreadable since the console is naturally angled up instead of being flat. Here's a tip: The angles are not so bad when you're looking at the console from above. If you install it on a wall, it has to go lower than you expect. In my tests, it has to be around 10" below the line of your eyes. I docked one star out of my review for this and honestly considered docking two stars. Extras For the SDR geeks out there, you can listen to your weather station using rtl_433 software (open source) and a cheap SDR dongle. The station transmits on the 915Mhz frequency every 15s or so. If using rtl_433, just run "rtl_433 -f 915Mhz". You can also pipe this to a JSON file for further processing if you wish (add -f json to the rtl_433 command-line). Conclusion Overall, I like the weather station. Installation outside required some thinking but the result was rewarding. I really dislike the console though :( The ws-2902c (this model) supposedly has a redesigned console from the ws-2902b. It's a real shame they didn't improve this or give us another option of a console for this model. Fortunately, the integration with personal weather station aggregators works really well, and I particularly like the option to upload data to any web server of your choice, if you want to further process this data.