automatic door openers

[ydalhsif]

i would like some opinions on the different ones. i am going to get one but dont know which one to choose.

 

[ray2310]

The only one I am familiar with is the one from foy's. I did a quick search for automatic doors. Check it out.

https://www.backyardchickens.com/forum/search.php?search_id=1115438827