Use this Long-Handled Call Bell whenever you need to call someone's attention. Just like an old-fashioned school bell, this one can be placed on a nightstand, desktop, tabletop, or even the ledge of a bath. A gentle shake is all that's needed to jingle the clapper, creating a resounding, attention-getting DING No power of any sort needed so it's safe to use in any environment. Bell is small and light making it easy to carry. 2-1/2 dia, 4 high.