Electric Combination Alarm for Easy Replacement: FIRST ALERT SC9120B

About this item

• Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85-decibel siren provides a clear, loud warning upon detection
• Rigorously tested to meet UL standards
• Keep your family safe with this hardwired First Alert smoke and carbon monoxide alarm with a 10-year battery backup, which means constant monitoring for the life of the alarm, even if there's a power failure
• - An alarm system that detects both smoke and carbon monoxide utilizes electrochemical carbon monoxide sensing technology.
• - The device also incorporates intelligent smoke sensing technology to prevent unnecessary alarms.
• - This smoke alarm and carbon monoxide detector is equipped with advanced technology for accurate sensing.
• - It aims to minimize false alarms by using intelligent technology for smoke detection.
• Convenient adapter plugs makes it easy to replace existing hardwired alarms without needing to rewire
• 10-year limited warranty; equipped with end-of-life signal, so you know when it's time to replace the unit for your safety
• To ensure complete protection make sure to place one carbon monoxide detector on each level of your home and in each bedroom
• Simple to use, with a single test/silence button; includes 10-year lithium battery with a locked drawer to prevent tampering