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$14 · NEW UPGRADED Fire Smoke Sensor Detector Alarm

NEW UPGRADED Fire Smoke Sensor Detector Alarm image 1
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NEW UPGRADED Fire Smoke Sensor Detector Alarm thumbnail image 2

Feature: Excellent stability. High sensitivity. Alarm test button for easy testing. Low battery indicator. Alarm Indication: Red LED flash. Designed for the fastest possible installation. This small gadget will alert and warn people to stay far away from danger field when it detected smoke. This product named Photoelectric detector (hereinafter called detector) 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. While having no smoke, the diode can receive very weak infrared light. When the smoke entering the chamber, the diode can receive more and more light, when the smoke attains a certain density, the detector can give out an alarm signal. In order to reduce the interference and lower power consumption, the emitting circuit adopts the pulse signal. The detector adopts the special structure design and ASIC, has the dustproof, mothproof and anti outside light interference feature, etc. The detector is suitable to detect the smoke in the house, shop, hotel, restaurant, office building, school, bank, library, computer house, and storehouse, etc. Technical Specification: 9V battery ( NOT Included ). Sound Level:>=85dB/m Alarm Current:

Ad #
35571037
Posted
March 20, 2020
Expiry
June 18, 2020
Status
EXPIRED
Details
New, Commercial Seller
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