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/Heat Multisensor Detector 58000-700** combines optical smoke and thermistor heat sensing to support reliable early fire detection, flexible operating modes, accurate device identification, and improved false alarm management in commercial, residential, healthcare, hospitality, and industrial buildings.