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First Alert Carbon Monoxide Alarm Detector
120V plug-in with a battery backup. Digital LED (light emitting diode) display with easy view back light. Displays carbon monoxide concentration in parts per million. Electrochemical carbon monoxide sensor. Loud 85dB alarm with mute button, low battery signal, and end of alarm life timer. Silence/test button. Easy access battery door for (2) AA batteries (included). Meets UL2034 standards.
An EnviroLINK Product: This product meets the standards for energy efficiency and reduced impact on the environment.