3-1 Where do you put it on? Detached houses

１．Installed on the ceiling or wall of a room used as a bedroom. A bedroom is a room where you usually go to bed, and includes a children's room in addition to the main bedroom. However, this excludes guest rooms where visitors come to bed from time to time.

２．Installed on the ceiling or wall of the landing on the stairs evacuated from the floor where the bedroom is located.

３．Installed on the ceiling or wall of the kitchen.

４．Other examples
In the case of a three-story house, there is a bedroom on the third floor, and if there is no bedroom on the second floor, it must be installed on the ceiling or wall of the landing on the stairs on the first floor.

　３．Precautions for installation