The **Apollo Discovery CO/Heat Multisensor Detector 58000-305** combines carbon monoxide and heat sensing to help detect smouldering and developing fires. Designed for analogue-addressable fire alarm systems, it supports flexible operating modes, accurate device identification, and dependable protection for hotels, hospitals, offices, warehouses, and other commercial facilities.

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.