Home security system Cordless / Wireless Smoke Detector Fire Alarm with battery

eatures:

Brand new battery operated smoke Alarm

General purpose design, ideal for all areas

Suitable for house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse, etc

Alerts and warns people to stay far away from dangerous field when it detected invisible fire particles

Extremely necessary gadget for preventing from household fire

Alarm test button for easy recommended monthly testing

Easy to install

Powered by 9V battery which provides continuous protection even during power outages (Included)

Low battery signal

Loud 85db alarm signal

Color: White

Dimension (Diameter x Thickness): 105 x 35 mm / 4.13 x 1.38 inch

Working Temperature: -10℃~50℃

Package Included:

1 x Smoke Alarm

1 x Chinese User Manual

* 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 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.

Features:
Brand New.
Size: about 10.5 x 10.5 x 3.5cm
Excellent stability.
High sensitivity.
Alarm test button for easy testing.
Low battery indicator.
Alarm Indication: Red LED flash.
Designed for the fastest possible installation.

Technical Specification:

* Powered by 9V battery (included)
* Sound Level :> =85dB/m
* Alarm Current: <=20mA
* Operating Temperature: -10°C ~ +50°C
* Operating Humidity: 95%RH
* Detecting Area: 20 square meter
* Smoke Sensitivity: 2.36%/FT +/-1.251%/FT OBS

Note：

* The detector can not be installed under worse environment, e.g. coldest, hottest, and dusty
* Please test it monthly
* Please clean the detector by soft Brush regularly
* Please set up battery correctly
* When the voltage is low or chamber is dirty, the detector will beep once per 40 seconds. Please pay attention to change the battery.

Package includes:

Wireless Smoke Detector Fire Alarm X 1

9V battery X 1