Wireless pool/spa thermometer for outdoor hydro grow?

[dustonj2008]

SIAP - I wasn't able to find anything that seemed related via search.
 
Has anyone had any experience with wireless pool/spa thermometer for any type of outdoor hydro grow? Here's an example of what I'm talking about:
 
http://www.amazon.com/SVP-Digital-Wireless-Pool-Thermometer/dp/B007274IHA
 
I would like to be able to monitor my outdoor hydro reservoir temps from inside at a glance.
 
 

 

[dustonj2008]

So I guess I might be the first to try this out then lol. I'll update this thread with my experience with this type of device.