The Quell Carbon Monoxide Alarm is a vital safety tool, designed to alert you to dangerous levels of carbon monoxide. The alarm features a flashing green LED that blinks every 30 seconds to indicate proper functioning, and a pulsing red LED that, along with an audible alarm, warns of high carbon monoxide levels. It includes a test button to check functionality and a memory reset feature after the alarm has sounded. The device automatically activates upon attachment to the mounting bracket, making installation straightforward and user-friendly. This alarm is an essential device for any home or RV, providing critical protection against the often undetectable threat of carbon monoxide poisoning.