Product photoFirst Alert SMCO100 Smoke & Carbon Monoxide Alarm
A combination smoke and carbon-monoxide alarm format that consolidates two common residential detection functions.

A wireless-interconnect alarm format designed so one alarm can trigger the others in the same network.
Shopping links may be affiliate links. If you buy after clicking, we may earn a commission at no additional cost to you.
Properties where multiple alarms should communicate without running new interconnect wiring and the local code permits wireless interconnection.
Wireless interconnection is not accepted as a substitute for hardwired interconnection in every jurisdiction or project. Verify local approval first.
Wireless Interconnected Smoke Alarm is a practical building-owner essential because life-safety problems are the wrong place to discover that basic equipment is missing, expired or unavailable. A wireless-interconnect alarm format designed so one alarm can trigger the others in the same network. In multifamily and rental property, smoke, carbon-monoxide and fire-safety requirements are often controlled by state or local building and fire codes, and the exact device type, placement, power source, interconnection and replacement schedule can vary. Even when this exact model is not mandated, owners benefit from maintaining compliant equipment and replacement stock so failed devices can be addressed quickly. Properties where multiple alarms should communicate without running new interconnect wiring and the local code permits wireless interconnection. The important limitation is that a retail listing does not establish legal compliance. Wireless interconnection is not accepted as a substitute for hardwired interconnection in every jurisdiction or project. Verify local approval first. Check the code and inspection requirements that apply to the property, follow the manufacturer’s installation instructions, document replacement dates where useful, and use licensed or qualified professionals whenever the work or local law requires them.
We do not claim independent laboratory testing of every product. Building Owner Tools Catalog 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.