Product Description
Photoelectric Cordless Smoke Alarm Detector for Safety Detecting Smoke in House Hotel Restaurant Office Building School Bank Library Computer House Storehouse: Home Improvement. Features:Photoelectric Cordless Smoke Detector Alarm, gerneral purpose ideal for all areas This small gadgets will alert and warn people stay far away from danger field when it detected smoke. The principle of detecting is granule in the smoke can reflect infrared light. The chamber can shield external light, but don't affect the smoke into it. Infrared diodes are placed in the special chamber.
Shipping Weight: 2 pounds
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