Photoelectric Smoke Detector. FireAngel Toast Proof Smoke Detector SB1-R. The optical smoke sensing chamber works by seeing smoke as it enters the alarm - making it perfect for slow burning fires where there is thick white smoke.
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HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
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HEIMAN Zigbee 3.0 Fire alarm Smoke detector Smart Home system 2.4GHz High sensitivity Safety prevention Sensor Free Shipping
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