Bell 61 | 2 Way Speaker Unit with Volume Control adhesives and sealants the SpaceControl battery is already

the SpaceControl battery is already installed

and Convergence Cloud

Equipped with interference detection and suppression systems for maximum protection of the system against intrusion

It is a wireless opening detector that notifies of first signs of room intrusion through a door or window

Specifications

Bell 61 | 2 Way Speaker Unit with Volume Control adhesives and sealants the SpaceControl battery is alreadyBell 61 2 Way Speaker Unit with Volume Control Fitted into the entrance panel, this high quality speech unit is used for two way speech and comes with individual volume control for the microphone and speaker. It is installed in all Bell System audio panels up to ten buttons; this includes the SPA, Bellini, combined door entry and coded access as well as the vandal resistant series. The speech unit can be powered by either 12V AC or 12V DC depending on