Locking rodent bait station can be used indoors or outdoors. Comes with Key, 4 rodent block rods, Centre removable divider. This bait station will secure block bait, soft bait or pellet bait (sold separately) . Centre divider can be removed to use a plastic rat size snap trap (sold separately) Station has plastic hinge to better last in Canadian cold winters (not molded plastic hinge) C.H.S rodent station also comes with locking wall mount that easily secures to station.