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Carbon Monoxide Alarm HM-720ES series

Carbon Monoxide Alarm HM-720ES seriesCarbon Monoxide Alarm HM-720ES series

SPECIFICATION
POWER SUPPLYDC3V(2*AA Batteries)
SENSOR TYPEElectrochemical
SOUND LEVEL≥85dB (at 3m)
ALARM CONCENTRATION30 ppm without alarm before 120 min
ALARM CONCENTRATION50 ppm without alarm before 60 min, with alarm before 90 min
ALARM CONCENTRATION100 ppm without alarm before 10 min, with alarm before 40 min
ALARM CONCENTRATION300 ppm with alarm before 3 min
ALARM OUTPUTAudio and flash alarm
POWER SUPPLY MODE5 years Battery