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Portable CO Detector (Carbon Monoxide Detector), Alarm Temp/Humidity Detector with Magnetic Back, Built-in 1000mAh Battery for Home/Travel/Outdoor

SKU: GW40.0008

Q
Instructions show how to adjust Indication Level"" digits there is no explanation as to what that means. Can the vendor explain?
Answer Question
A
I am not the vendor but I think that means the CO level that causes the alarm to sound. It is preset at either 20 or 25 ppm and is adjustable.
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