Black Box AlertWerks Photoelectric Smoke Detector rack smoke alarm

Adept at detecting smoldering fires. Quick-fix mounting bracket for easy installation. Has tamper-resistant features and extra-loud alarm. Insect-proof. Photoelectric smoke detectors are more effective than ionization smoke detectors at detecting smoldering fires which may smolder for hours before bursting into flame. This detector works as part of a complete AlertWerks Environmental Monitoring System.