The Apollo Discovery Ionisation Smoke Detector 58000-500 is an analogue-addressable fire detector designed to detect smoke particles from fast-burning fires. It supports selectable response modes, accurate device identification, and reliable integration with compatible Apollo fire alarm systems.

The Apollo Discovery Optical Smoke Detector 58000-600APO provides intelligent addressable smoke detection for offices, hotels, hospitals, schools, warehouses, and commercial buildings. Featuring optical light-scattering technology, five selectable operating modes, and automatic drift compensation, it helps deliver reliable early warning and improved fire alarm system performance.