Alpha 340-4E5 4' Vibrating Bell-Surface -12 VAC

The Alpha 340-4E5 is a 4-inch vibrating bell designed for outdoor use. Operating on 12 VAC, it produces a continuous, rapid striking sound suitable for general alarm and paging systems.

Its Universal Adaptaplate mounts directly on surfaces or fits various single-gang and 4-inch square electrical boxes. The bell features a shockproof die-cast housing that is dustproof and can be made weatherproof with the appropriate back box. The unit comes fully assembled with all necessary hardware.