Kidde 21031544 Detect Series Hardwired Smoke and CO Alarm, 10-Year Battery

Protect occupants and property with a single, dependable device engineered for everyday safety and building compliance. The Kidde Residential DETECT Series hardwired Combo Smoke + CO Alarm delivers reliable security and life-safety monitoring with integrated photoelectric smoke detection and electrochemical carbon monoxide sensing. Designed for continuous operation on 120V AC with a worry-free 10-year sealed backup battery, this unit eliminates frequent battery changes and avoids nuisance chirps — reducing maintenance calls and tenant complaints.

Built to UL standards, the alarm’s enhanced sensing reduces false alarms commonly triggered by cooking while still providing fast notification when a real threat is detected. Interconnect capability means one alarm triggers all connected units to help occupants evacuate faster across single-family homes, multi-family buildings, rentals, and light-commercial properties. Easy twist-and-click installation and internal self-checks make this model an efficient choice for contractors, property managers, and security integrators specifying reliable life-safety devices.

Specify the Kidde Detect hardwired combination alarm for new construction, renovations, or system upgrades to strengthen your site’s monitoring and emergency response — order now to simplify compliance and improve occupant safety.

• Combined protection for smoke and carbon monoxide in one device, reducing installation and maintenance costs while simplifying safety monitoring
• Hardwired with 10-year sealed backup battery for continuous security and no frequent battery replacements or disruptive low-battery chirps
• Photoelectric smoke sensor plus electrochemical CO sensing for faster, more accurate detection and fewer false alarms from cooking or steam
• Interconnect capability: when one alarm sounds, all connected alarms sound to speed occupant evacuation across the property
• UL-listed design with self-monitoring internal components for dependable performance in residential and light-commercial applications
• Quick twist-and-click mounting bracket for fast installs and easy maintenance during new builds, renovations, or building upgrades