58000-040APO: Apollo Discovery Open-Area Voice Sndr/VI - WB RF. Discovery Open-Area Voice Sounders comprise a sounder and a sounder visual indicator more infomore info
58000-300APO: Apollo Discovery Carbon Monoxide Detector. The Discovery Carbon Monoxide Detector contains a long-life electro-chemical carbon monoxide more infomore info
58000-305APO: Apollo Discovery CO/Heat Multisensor. The Discovery Multi-Sensor Detector contains a CO detection cell and a thermistor temperature more infomore info
58000-400APO: Apollo Discovery Heat Detector. The Discovery Heat Detector features a low air flow resistance case and a single thermistor to sense more infomore info
Apollo Discovery 58000-500 Ionisation Smoke Detector, No Base The Discovery Ionisation Smoke Detector uses a low activity radioactive foil to detect more infomore info
58000-600APO: Apollo Discovery Optical Smoke Detector. The Discovery Optical Smoke Detector are high-specification devices using the light scatter more infomore info
58000-600MAR: Apollo Discovery Marine Optical Smoke Detector. The Discovery Marine Optical Smoke Detector are high-specification devices using the more infomore info