Home Indoor Air Quality Monitors CO Gas Alarm Detector EN50291\
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ZKD-621C Carbon Monoxide Alarm OVERVIEW ZKD621C is a smart carbon monoxide alarm adopts high quality electrochemical sensor, combined with advanced electronic technology and sophisticated process, with the advantages of stable operation and long service ......
Beijing Zetron Technology Co., Ltd
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EN50291 Approval Carbon Monoxide Detector DC 4.5V Battery Operated White Color
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...Detector Alarm EN50291 Approval DC 3V Battery Operated Features 1. Loud 85 decibel alarm 2. Permanent Carbon Monoxide Detector sensor 3. Powered by 9V battery 4. The alarm sound pattern is four short alarm beeps. The red LED will flash while in alarm mode. 5. One "chirp" every 30 seconds is an indication that the battery is low and need replacement for the Battery operated carbon monoxide Detector......
Mantern Industrial Co., Ltd.
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