The OSI-RE-SS is usually a reflector- kind linear optical beam smoke detector created to run for a ingredient of fireplace alarm techniques. The beam operates primarily on the theory of light obscuration utilising an Infra-Pink beam. Shut/span> You can not access this webpage as this merchandise is not really available https://todaybookmarks.com/story18685741/getting-my-conventional-beam-detectors-to-work