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

SKU: GW40.0008

Q
How? can I prove accuracy of its readings to my building manager who does not want to accept my CO value readings.
Answer Question
A
Call your local Fire Department, see if they have the $3000 tool they use, then, they will be HAPPY to check your tool, and your building, no charge!