AdaptaBel Vibrating Bell, 4", 120 VAC

Dust-proof bells produce a long, continuous ringing sound (the striker continues to strike the gong in rapid-fire action as long as current is applied). They feature shockproof die-cast housings and come completely assembled. Their universal Adaptaplates also mount directly on surfaces or electrical boxes. And they can be weatherproofed by adding appropriate back boxes. Hardware included. Gray.