Bats can fly out but not back in through a bat cone.
How do you get rid of bats in your attic at home.
If not run an extension cord upstairs to your attic and turn on floodlights or work lights in an area away from flammable material.
As you move the bat from one room to another close the doors to seal it off from going back to a previous room.
Killing them is both inhumane and will create an unlivable environment due to the smell of a colony of decaying bats.
The repeller should take 72 hours or less to get rid of your bat problem in combination with sealing most of your attic and using a couple other home remedies.
Remember you will need to leave a place open for the bats to exit through as the repeller works to drive out the bats.
Otherwise for small cracks use duct tape to secure hardware cloth screen over the crack on the top and 2 sides leaving the bottom unsecured.
You can drive the bat out with a long stick such as a pole broom or mop.
If your attic has an electrical outlet all the better.
How to remove bats from attic to get them out identify their entry and exit points making sure not to seal them while the bats are inside.
Bats will hibernate in the winter if the temperature stays at around 35 to 40 f.
The bats will be able to wiggle through the opening but not back in.
Open all your windows doors and other areas so the bat can escape.
Install bat cones in any hole that will accommodate them.
The first would be to get rid of the bat in your home.
They are designed to fit on top of any hole which bats have been using as an entryway.