The First Alert 1046869 is a 2-in-1 hardwired smoke and carbon monoxide detector that combines ionization sensing technology with electrochemical CO detection. This dual-sensor alarm protects your home from both fast-burning fires and the silent threat of carbon monoxide poisoning, meeting current industry standards for comprehensive fire safety.
Designed for whole-home protection, this hardwired unit includes a 9-volt battery backup. The detector features an 85-decibel siren that cuts through background noise to alert occupants quickly. Bright indicator lights on the face of the unit provide visual confirmation of smoke or carbon monoxide detection at a glance, ensuring you know immediately what threat the alarm has detected.
Features and Benefits
- Dual-Sensor Detection: Ionization sensor detects fine particles from fast-burning fires, while electrochemical technology senses carbon monoxide with precision.
- Loud 85 dB Siren: High-decibel alarm cuts through background noise for quick response and alerts throughout your home.
- Visual Indicators: Bright LED lights display the presence of smoke or carbon monoxide so you know immediately what threat has been detected.
- Simple One-Button Operation: Single test and silence button makes checking the alarm easy and allows you to quiet false alerts quickly.
- Interconnectable: Connect multiple compatible First Alert and BRK detectors together so all alarms sound when any unit detects a threat.
- Universal Mounting: Included universal mounting brackets make installation straightforward and secure.
Specifications
- Brand: First Alert
- Model: 1046869 (also known as SMICO100-AC)
- Type: Hardwired ionization smoke and carbon monoxide detector
- Power: Hardwired with 9V battery backup
- Sensor Type: Ionization and electrochemical
- Alarm Level: 85 decibels
- Interconnectable: Yes, with compatible First Alert and BRK detectors
- Dimensions: 9 x 4 x 7 inches
- Weight: 0.7 pounds
- Package Contents: 1 detector with mounting brackets
- Warranty: 10-year limited warranty
Safety Note
Please check your local building codes and requirements before installing this product to determine compliance with applicable standards and regulations in your area.








