Verified Post by Pooja Gup Published on 09 Sep, 2019
Natural Gas Detector, denshine High Sensitivity Gas Leak Detector LPG LNG Coal Gas Leak Detector Alarm Monitor Plug-in Gas Alarm with Digital Display Propane/Methane / Combustible Natural Gas Alarm
Carbon monoxide is the result of incomplete combustion i.e. defective gas appliances,blocked chimney etc.
This is a set of 2 co detectors ,thesecare battery operated ,protects you from.deadly gas and us quite accurate.