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UEI CO71 Carbon Monoxide Detector monitors, records and alerts you to the presence of dangerous carbon monoxide in ambient air. The visual display constantly indicates precise quantities while the audible and visual alarms respond to various threshold levels. 3 year limited warranty.
Main Features:
* Displays CO level (in ambient air) from 0 to 99 ppm
* Tri-color LED indicates concentrations at 3 levels complying with residential and work place standards
* Auto zero
* Backlit display
* MAX continuity updates highest CO reading
* Audible alert triggers above 35 ppm indicating dangerous CO concentration
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