MICO105-AC Hard-Wired w/Battery Back-Up Ionization Smoke/Carbon Monoxide Combo Pack

The SMICO105-AC Interconnect Smoke and CO Alarm with 10-year battery backup provides reliable 2-in-1 protection with superior features. The combo detector can stand alone or be interconnected with other compatible alarms to create an alarm system throughout your home. When one hardwired detector sounds, all connected alarms will sound to help provide an early warning to a fire or carbon monoxide emergency. Integrate with up to 12 other First Alert or BRK Detectors and 6 other compatible devices.. Test/Silence button allows for efficient testing and temporarily silences alarm for up to 8 hours. Precision Detection technology helps reduce cooking nuisance alarms and provides early warning.. Interconnects with most First Alert and BRK alarms so when one sounds, all compatible alarms sound to provide an early warning. Latching Alarm Indicator visually identifies the unit that initiated the alarm or low battery warning. 10-Year battery backup provides continuous protection during power outages with no battery replacements required