About this item

• 2-in-1 Detection - Smoke & carbon monoxide detector combo alerts you to both smoke & fire events as well as poisonous, CO gas in a single device
• Photoelectric sensor detects visible fire particles associated with slow, smoldering fires, while the electrochemical sensor detects carbon monoxide
• An 85-decibel alarm sounds & a red LED indicates the smoke detector is sensing smoke or fire
• Lithium battery operated: eliminates the need for battery replacement & provides reliable detection, even during power outages
• Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
• The alarm will automatically activate when it is attached to the mounting bracket, there are no pull tabs, no switches, everything is automatic
• At the end of alarm life, the unit will chirp, indicating the alarm is in need of replacement
• UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed.