| 摘要 |
An improved smoke detector device comprising a base for mounting to a place on a ceiling or a wall via a mounting means; and a ring for removably attaching to the base, the ring comprising at least two modules that removably connect together via a connecting means to form the ring, wherein each module comprises an inner chamber and a door, the inner chamber of each module can hold an item, the door of each module can move between an open position and a closed position for respectively allowing and preventing access to the inner chamber of the module. |
