smoke alarm

Circuit for normally closed/opened rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate .

smoke alarm is can be use circuit for normally closed/opened  rely contacts ,smoke alarm is that to prevent fire,and it detect smoking.easy operate .

                                     smoke alarm (AK-218A)

Description:

*  Power:110VAC/220VAC/230VAC( backup 9v battery),9v battery,12VDC/24VDC
* Operating Current: 10 uA (normal) and 20-50 mA(alarm working)
* Sensitivity to smoke:In comply with CE standard

* Operating Temperature: 40oF - 100oF (4. 4C - 37.8oC)
  Ambient Humidity : 10% - 90%.
  Horn Level: 85 Decibels at 10 feet.
* Battery life: 3 year
* Interconnecting Gas detector  
  (1)Circuit for normally closed rely contacts
  (2)Circuit for normally opened rely contacts
  (3)Operating Frequency: 433 MHZ/315MHZ (optional)
* Size:125mm*30mm
* Weight:168g/pc
* Package size:58.5cm*42.5cm*30.6cm
* Quantity/BOX:80pcs
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If you are interest in our factory and our smoke alarms,please contact joy,thanks.Welcome to China and visiting our factory! Joy Yiliu