Protect yourself from the risk of carbon monoxide poisoning these carbon monoxide alarms are easy to install and operate on battery power co is an extremely dangerous invisible and odorless gas carbon monoxide detectors protect you from the risk of carbon monoxide poisoning caused by the use of fireplace gas cooker gas heater oil wood or tiled stove oil and gas burners gas household appliances blocked chimneys and much more the display uses an easy to read lcd screen which displays th