SkyAlert is a self-
The SkyAlert system includes mounting bracket, 25 foot Active USB cable and 9 volt power supply with 25 foot cable for dew heater. Longer cables available here.
SkyAlert weather graph screen screenshot
SkyAlert interface screenshot
© 2018 Interactive Astronomy, LLC
* IR sensor is not user replaceable on units manufactured before 3/15/2016
Click here for details.