Photoelectric (optical) smoke detector designed for continuous monitoring of airborne smoke and early-stage smouldering fires. Provides an 85dB audible alarm with red LED visual indication, with TEST and HUSH (temporary silence) functions for functional checks and nuisance-alarm reduction. Battery-powered design supports installation even during power outages and includes fault/low-battery signaling and anti-tamper lock. Package contains 1 piece of photoelectric smoke detector with 9V lithium battery.
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