I use this one at daycare
https://www.harborfreight.com/wirele...hoCOvMQAvD_BwE
We use one similar to the one Cat Herder posted at home.
The one I have at daycare works best for town as I tried the more expensive one at daycare but it picked up cars driving past two blocks away.
I just want to know when some one is at MY house. Not the neighbors.
