DESC: The Schrodt Colony Bat House features 3 chambers and holds 50 bats. With its 4" branded bat design, hand etched solid brass moon, and rounded wood design, this house combines artistry and functionality to provide a safe haven for your local bats. The landing platform and inside slats are grooved to make it easy for bats to cling when landing and roosting. Two inside slats divide the house into three chambers, each of which is 7/8" deep. In order to maintain proper temperatures and aid air circulation, a 1/8" ventilation gap is positioned across the front. This house is hand made in the USA from solid redwood.. . Bats that use this house:. -big brown, cave, eastern pipistrelle, evening, little brown, Mexican free-tailed, northern long-eared, pallid, Pallas' mastiff, Rafinesque's big-eared, southeastern, and Yuma bat. . Capacity: 50 bats. Dimensions: 17"h x 7.75"w (at base) x 5"d. Mounting: tree, building, or pole mounted. Construction: solid redwood