First Alert FCD4CN-3 Battery Powered Carbon Monoxide Alarm
- Plug-in with battery backup. Works during power outages
- Remote control Silence/Test. Uses most remote control devices to silence or test alarm.
- Digital Display. Stores, recalls, and displays highest level of carbon monoxide detected.
- Simple to use silence/test button; low battery warning; end-of-life timer and loud 85-decibel alarm
- 5 year limited warranty
Plug-in (120V, 60 Hz) Two "AA" battery backup Remote testing Digital readout Memory chip stores highest levels permanently Samples air once every second Silencer button alarms if levels persist Self testing systems alerts if malfunctions For question
Source: http://www.pluginalarm.com/2011/04/25/first-alert-fcd4cn-3-battery-powered-carbon-monoxide-alarm/
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