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9V battery Wireless Photoelectric Smoke alarm


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General Details
Main Features:

1.SR-820PHR is Wireless Photoelectric Smoke alarm

2.Auto-check malfunction

3.Infrared photoelectric sensor

4.MCU processing, eliminate false alarm

5.Photoelectric sensing technology

6.Dustproof, mothproof, anti-light interference design

7.Hush function

8.Lower battery indication

9.Execute criterion: EN14606; UL217

Technological details

Model No.SR-820PHR
Operating voltage9V battery
InterconnectionN/A
Hush functionYES
Code form2262/1527
Sending frequency433MHz/315MHz
Radio distance200 m(open area)
Sensitivity2.06%ft±1.3%ft
Sound level85dB/3m
InstallationWall  or Ceiling mounted
Working environment -10℃~+50℃(≤95%RH No congelation)
Dimension128*38mm

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