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School Home Office Cordless Smoke-Detector Fire-Alarm Photoelectric Sensor White Generic

Original price was: د.إ 75,00.Current price is: د.إ 37,50.

SKU: us_5573322440860 Category: Uncategorized Tags: e1, h1, Home Improvement

Description
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The detector is suitable for detect the smoke in house, shop, hotel, restaurant, office building, school, bank, library, computer house and storehouse etc.

Features:

High sensitivity.

Excellent stability.

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.

Technical Specification:

Color: White.

9V battery (Not Included).

Sound Level:>=85dB/m

Alarm Current: <=20mA

Standby Current: 300¼A

Operating Humidity: 95%RH

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

Detecting Area:20 square meter

Fast Shipping and Professional Packing

Our long-standing relationships with UPS FedEx DHL and other international carriers gives us the ability to provide an array of shipping services. Our warehouse staff are educated to pack your items exactly according to the specifications that we supply. Before they are shipped the goods are thoroughly inspected and secured. Every day we ship hundreds of packages to our customers from all over the world. This is an indication of our dedication to being the biggest online retailer in the world. There are distribution centers and warehouses across Europe and the USA.

Orders with more than 1 item are assigned processing times according to each item.

Prior to shipping before shipping, we'll conduct a thorough inspection of the items you have ordered. The majority of orders today are shipped in 48 hours. The expected delivery time will be between 3-7 days.

Returns

The stock is constantly changing and not fully managed by us due to the involvement of multiple parties including the factory and our warehouse. This means that the actual stock could fluctuate at any moment. It is possible that your order may be out of stock when the order is placed.

Our policy is valid for 30 days. Unfortunately, if 30 days have passed after you bought your item, we will not be able to provide a refund or exchange.

In order for your item to be eligible for return it must be in its original packaging, unopened and in the condition you received it. It should also be returned in its original packaging.

School Home Office Cordless Smoke-Detector Fire-Alarm Photoelectric Sensor White Generic

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