Portable CO Detector 3-in-1 Carbon Monoxide Detector, Kentfaith Alarm Temp/Humidity Detector with Lanyard and Magnetic Suction Function, Mini CO Monitor with 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.