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The FIRST ALERT SMCO200 is a battery-operated combination smoke and carbon monoxide alarm designed for residential installation. Its slim profile measures 0.98 inches deep, roughly half the depth of a standard alarm, making it less obtrusive on ceilings or walls. The unit uses First Alert Precision Detection advanced sensing technology, which meets current industry standards to reduce nuisance trips caused by cooking while still providing early warning detection in the event of a fire or CO event. An end-of-life warning signals when the unit requires replacement. No hardwiring or electrician is needed for installation.
The SMCO200 is suited for residential applications where a single device is needed to address both smoke and carbon monoxide hazards. Its battery-powered design makes it a practical choice for rooms or locations where wired power is not available or practical. The slim housing profile suits installations in spaces where standard-depth alarms would be visually prominent or difficult to mount. It is typically installed by homeowners, property managers, or service technicians performing life-safety upgrades.
Designed as a battery-operated standalone combination smoke and carbon monoxide alarm for residential ceiling or wall mounting.
Installation does not require an electrician, as the unit is fully battery-operated. Follow the mounting instructions included with the unit and observe local building and fire codes regarding alarm placement, which typically require alarms outside each sleeping area and on every level of the home. Power down or replace the battery before servicing. Do not paint over the unit or install it in locations that could obstruct the sensing vents.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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