• Details

• Description:
  
  1)Alarm mode: Give an alarm warnning while Alarm density reaches: Coal gas:
  1000~5000ppm, LGP: 1000~5000ppm, natural gas: 1000ppm~5000ppm
  2)Working mode: indepedent & compatible mode: work solely at party,room etc.
  work with our burglar alarm panel,so the alarm panel automatically dial up the alarm
  phone.
  3) siren:>90db 4) strict method with good quality

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