1)Alarm mode:Give an alarm warning while Alarm density reaches: Coal gas:1000 - 5000ppm,LGP:1000 - 5000ppm,natural gas:1000ppm - 5000ppm 2)Working mode:independent & 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
Description: 1.Operating Voltage:AC220V,or AC110V; DC12 - 20V 2.Working temperature:-10degree - 50 degree 3.Alarm density:Coal gas:2000ppm+ or - 30%,natural gas:2000ppm+ or -30%,Liquid petroleum gas:5000ppm+ or -30%, 5.Operating Frequency:433 MHZ or 315MHZ (optional) 4.Responding time:less than 2 seconds 6.Net Weight:0.2kg 7.Size:115mm(L)×71mm(W)×43mm(H)
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