The classic version with an opening of about 21 x 32 cm is ideal for laying hens.
And a larger version: about 26 x 39 cm. This size is ideal for ornamental chickens and even geese.
Choosing the location of the solar cell. The doors are identical, one has the solar cell on the module, the other has the remote solar cell. Advice at the bottom of the page.
Choosing the location of the solar cell. Automatic chicken coop doors work the same way. The first has the solar cell on the module and needs to be in the sun from time to time. The second has the remote…