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Dobacner Photoelectric Wireless Cordless Smoke Detector Fire Sensor Alarm for house Hall Stairway

Ships from China. Fees for brokerage and duty included in price. Most customers receive within 5-17 days.

Sold and Shipped by EtradeWorld Canada a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • Fire Sensor Alarm
  • Fingerprint Security System
  • Photoelectric Cordless Smoke Detector

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100% Brand new , never used
Item's color might be different from the picture because of the aberration.
Excellent stability & High sensitivity.
Special structure design and ASIC.
Dustproof, mothproof and anti outside light interference.
Alarm test button for easy testing.
Designed for the fastest possible installation.
This Wireless Smoke Alarm Detector System adopt ionization sensing technology and it will alert and warn people stay far away from danger field when it detected smoke.
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 which can shield external light, but don't affect the smoke into it.
The diode can receive very weak infrared light while have no smoke.
When the smoke entering the the chamber, diode can receive more and more light, when the smoke attains the certain density, the detector can give out alarm signal. In order to reduce the interference and lower power consumption, the emitting circuit adopts the pulse signal.
Application: suit for house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse etc.
Technical Specification:
Operating voltage:DC9V
Static current: less than 10 uA
Sound Level: more than or equql 85dB m
Alarm Current: 10 to 30mA
Standby Current: 300uA
Operating Temperature: minus10celsius to 50celsius
Operating Humidity: 95percent RH
Warm-up TIME:about 120S
Detecting Area:20 square meter
9V battery (not include).
Installation Mode:wall mounted
Alarm Indication: Red LED flashs.
Alarm Level:10%LEL
Size: 3.5x10.7cm(H x Dia)
Color: White.
Weight:124g

Package includes:
1 x Cordless Smoke Detector Fire Alarm


Additional Information

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Date First Available
August 19, 2019
Warranty, Returns, And Additional Information
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