4 inch AC vibrating bell. Can be used in outdoor applications with the addition of an approved box for the application.
|Loudness||:||98/88 dB at 1 m|
|Application||:||Timing, Scheduling, Paging, etc.|
|Standard||:||UL Listed, FM Approved|
|special features||:||Striker continues to strike the gong in rapid-fire as long as current is applied|