Originally Posted by Marcm157
Pretty sure that's a temperature sensor.
One on the outside I can understand. The one on the inside across from the entry door sits right in the middle of the friggin wall !!!
Could have found a better out of the way location for it !!!
Didn't want to pull it out/apart, and didn't really think it was solar related as any wire attached to it would be very small.
Have no idea, if it is a temp sensor, where the reading for the outside would be. Inside one I could see being part of the thermostat for ac/heat.