The ComPro AC/R/BB is a Red Askari Compact Sounder with Back Box for surface fixing. The sounder provides an excellent combination of high sound output and neat appearance. Applications: Ideal for retail, hotel and residential applications such as sheltered housing. * 32 tones (user selectable) * 6 tones certified for fire use * Improved tone clarity, reducing confusion * Alert and alarm function * Can be flush or surface fixed * Automatic synchronisation * Two stage alarm * Discrete design * Supplied with back box * Supplied in Red * Manufacturer's part: ComPro AC/R/BB