Qvis QFS-CO 10 Year Battery Carbon Monoxide Detector The Qvis 10 Year Battery Carbon Monoxide Detector Quickly notifies of dangerous CO levels in the air. The unit has LED indicators along with a loud buzzer. The LED lights indicate Normal, Fault and Alarm. The Qvis Battery Carbon Monoxide Detector has Superior CO electrochemical sensor and an Easy one-button test function. Features Quickly notifies of dangerous CO levels in the air, LED indicators and loud buzzer (Normal, Fault and Alarm) Superior CO electrochemical sensor Easy one-button test function Easy clip-on wall bracket LCD screen 85dB Sounder Sealed & Tamperproof EN50291-1:2018 Compliant.
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