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Item specifics
  • Type: Smoke Detector
  • Model Number: SM-03
  • Color: White
  • Size: 10.5 x 10.5 x 3.5cm
  • Weight with battery: 90g
  • is_customized: Yes
  • frequency: 433MHz
Product Description

                   2017 NEW 433MHz Wireless Smoke Detector 

 3. Picture





3. Description

  • 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
  • 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. 

3. include

4 pieces of 433MHz Wireless Smoke Detector   (Battery Not Included).

3. Related

If you need more accessories, please refer to below pictures.





  • If you are from Russia, please leave your full name to me,thanks!! 
  • Sometimes,the deliver time may delay several days,because of the bad weather or during the busy season, please do not worry.


  • We will do full test before send this product, so you will get a perfect product,
  • 2 Years replacement warranty, buyer is responsible for return shipping costs.

Service Time

  • 10:00am - 22:00pm in Chinese time, I will reply you as soon as possible if you send message at other time,


  • If you are satisfied with this product, please leave me 5 stars feedback, I will service better and better !
  • If you are not satisfied with this product, please don\'t leave negative feedback and low score, because that won\'t solve problems. if you are not satisfied, please leave me a message, and I will reply you as soon as possible, I think everything can be solved.



Packaging Details
  • Unit Type: piece
  • Package Weight: 0.14kg (0.31lb.)
  • Package Size: 15cm x 11cm x 8cm (5.91in x 4.33in x 3.15in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 0.14kg (0.31lb.)
  • Package Size: 15cm x 11cm x 8cm (5.91in x 4.33in x 3.15in)
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