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Home Security System Wireless Smoke Detector Fire Alarm
This small gadgets will alert and warn people stay far away from danger field when it detected smoke. 100% Brand New.
It can detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. The chamber can shield external light, but don’t affect the smoke into it.
High sensitivity and excellent stability.
Alarm test button for easy testing.
Low battery indicator.
Alarm Indication: Red LED flash.
Designed for the fastest possible installation.