Independent tool research for building owners. Some outbound shopping links may earn us a commission. Disclosure
Illustration for First Alert SMCO100 Smoke & Carbon Monoxide AlarmFirst Alert
Life-safety device

First Alert SMCO100 Smoke & Carbon Monoxide Alarm

A combination smoke and carbon-monoxide alarm format that consolidates two common residential detection functions.

$
Budget-friendlyExact price and availability are shown by the retailer.

Shopping links may be affiliate links. If you buy after clicking, we may earn a commission at no additional cost to you.

Best fit

Who this tool is for

Replacement or supplemental smoke/CO coverage where this specific listed device matches the property’s requirements.

Before you buy

Know the limitation

Alarm requirements are code- and occupancy-specific. Confirm listing, location, interconnection and power-source requirements before installation.

Useful features

Why it made the launch catalog

✓ Smoke detection
✓ Carbon monoxide detection
✓ Residential alarm format

We do not claim independent laboratory testing of every product. Launch selections are based on manufacturer-published specifications, practical fit for common building use cases and category coverage. Always verify current specifications with the manufacturer or retailer.

Related tools

More from Safety & Security

View category →