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The dual passive infrared detector works according to detecting the infrared spectrum of the human body
beeps about every 43 seconds
Alarm Output: NC/NO optional
and stops 24 hours later
Wolf Shield Carbon Monoxide Alarm Sealed 10 Years EN50291:2018 Standard Pack:4-Pack The dual passive infrared detectorMEET THE LATEST 2018 REGULATION Our products are updated closely according to The Smoke and Carbon Monoxide Alarm (England) Regulations 2015, label with the document code EN 50291: 2018 released by Technical Committee. It is important for you to make sure your CO alarm is labeled with the latest code, not only for your own properties but also the commercial and residential tenancy. SEALDED IN 10 YEAR LITHIUM BATTERY A lithium battery comes with the CO