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Carbon monoxide alarm/detector CE EN50291
1.powder:9V battery
3.flash alarm:red
4.working temperature:4-38C
6.alarm current:<80mA quiescent current<80uA
7.Low voltage warning:a "chirr" sound every 30s,the screen shows"Lb"
8.Alarm concentration:50ppm 60-90ms,100ppm 10-40ms 300ppm 3ms
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