The Cygnus Fire Call Point Alarm operates using a single battery pack and can be used externally. This radio alarm device has also been designed as a standalone alarm unit. These devices are normally situated around a site in prominent places, such as main escape routes, stairwells and on or near fire points, where they are visible in case of an emergency. Features: – 110 dB sounder – LED beacon for visual alerts – Resettable and can be programmed with a sounder delay. Activating a call point will result in a site wide alert.