Fireboy-Xintex Optical Smoke Detector w/Base [OMSD-01-DB-R]Optical Smoke Detector with Base Optical smoke detectors have consistently been recognized as suitable detectors for general use. They are regarded as particularly suitable for smoldering fires and escape routes. This smoke detector is also designed to significantly reduce the incidence of false alarms through over sensitivity to transient phenomena. Features: Recommended for use as general purpose smoke detectors for early warning of fires in most