The OSI-RE-SS can be a reflector- style linear optical beam smoke detector designed to work to be a component of fireplace alarm systems. The beam operates totally on the basic principle of light obscuration utilising an Infra-Crimson beam. Close/span> You can't obtain this web page as this merchandise is not https://ledbookmark.com/story4161663/examine-this-report-on-conventional-beam-detectors