BestNest Single-Celled Bat House Kit with Pole, 85 bats Includes BestNest Single-Celled Bat House, Bat House Pole with Ground Socket & Book Bat house can accommodate up to 85 bats. S&K Telescoping Bat House Pole with Ground Socket includes an adapter for directly mounting the house. Stokes Beginner's Guide to Bats offers a wealth of information.