FIRST ALERT 1039730 Carbon Monoxide Alarm, 85 dB, Alarm: Audible Beep, Electrochemical Sensor, White [SKU: ORG8577272]

Advanced electrochemical CO sensor, Comprehensive warning features, Simple and easy-to-use, Plug and protect, alarm plugs into any standard 120 VAC outlet with no additional mounting, Mute button, mutes unnecessary alarms, tests alarm function with same button, Electrochemical sensor, most accurate technology available for detecting carbon monoxide, compared to other common sensing technologies, End of life timer, alarm chirps when it is time to replace it, Carbon monoxide alarms should be replaced every 5 years for maximum protection, Emits T3 pattern. [QTY/UOM: 1EA / 1EA]