Air Raid Sirens Systems Home System Kingdun LM-109C Fire Alarm Hot
SaleProduct DescriptionThis product is photoelectric type, and
works on the principle that infrared scatters in the smoke to probe
the smoke which is generated by both the incomplete combustion and
combustion at the initial stage of the fire. The detecting chamber
adopts special structure design and signal processing
identification technology. It fits for indoor enviroment such as
family use and public place.Characteristic:Lithium battery
operated. 5y long time.Technical ParametersPower Source:DC9V(CR2450
3VX3)Quiescent current:≤ 10uAAlarm current:≤ 20mAAlarm decibel:≥
85dB/3mIndicator:LED(red)Low battery alert:≤ 7.3VWork
Temperature:-10º C~+40º CEnvironment humidity:≤ 95%RHAlarm
type:Sound/lightDiameter:72x37mmDetailed PhotosView more
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