ALTALAB weather station just been recalibrated. It comes with air sensors for temperature,humidity,barometer.vapor pressure,adjusted altitude,density altitude,throttle stop predictions,dial in predictions and much more.It also has thru wallplate and wiring to mount sensor outside the trailer. It also comes with CREW CHIEF PRO software so you can hook the weather station to your computer and record all the data. It also comes with an external pager and an antenna to see the info remotely. Originally cost $2000. Contact me if you have any questions.