New Home security Gas sensor System Cordless Smoke Detector Fire Alarm

•100% Brand New.


•Weight:88g


•Size:10.5 x 10.5 x 3.5cm


•Color: White


•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 gadgets will alert and warn people 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 have no smoke， the diode can receive very weak infrared light. 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.


•The detector adopts the special structure design and ASIC， has the dustproof， mothproof and anti outside light interference feature etc.


•The detector is suitable for detect the smoke in 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: <=20mA


•Standby Current: 300μA


•Operating Temperature: -10°C ~ +50°C


•Operating Humidity: 95%RH


•Detecting Area:20 square meter


•Smoke Sensitivity: 2.36%/FT +/-1.251%/FT OBS.


Package Content:

•1 x Cordless Smoke Detector Fire Alarm












Warranty & Return:
If you received an incorrect， damaged， defective， or item not as described，/full refund or replacement on our cost.
We are happy to help you with refund or exchange within 3 days of product receipt provided that all origina packaging and accessories are in condition. Return shipping cost is to be paid by the Buyer.
Please leave 5 star positive feedback， if there are problem with the product，， we will do our best to fix the problems.
Additional costs:
Import duties， taxes and charges are not included in the item price or shipping charges. These charges are the buyers` responsibility.
Please check with your country`s customs offic to determine what these additional costs will be prior to buying.
Terms of sale:
All our items come with one year warranty.
Customers are responsible for shipping charges on any returned items. It may take up to 7 business days to process your return after we receive your product.