Air RAID Sirens Systems Home System Kingdun Lm-109c Fire Alarm Hot Sale

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 products,click here...  Company Profile    /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1