First Alert Combination Smoke Detector and Carbon Monoxide 10 year Battery with Voice and Location Alert helps protect your home or business from two potentially dangerous threats for up to 10 years worry free. It comes equipped with a CO sensor and smoke sensor for 2-1 protection against fast flaming fires and slow smoldering fires. With its slim and contemporary design this alarm can sit unobtrusively on walls or ceilings. 

FEATURES:

• Kidde Worry-Free
• 10 Year sealed battery
• Bedroom Smoke Alarm With Voice
• Photoelectric Smoke Alarm Contains A Sealed-In Lithium Power Supply
• No Battery Replacement Required Over The 10 Year Life Of The Alarm
• Advanced Photoelectric Sensor Detects Particles Associated With Slow Smoldering Fires
• Alarm Automatically Activates When Attached To The Mounting Bracket
• Voice Alarm Announces "Fire" In Addition To 85dB Beep When Fire Is Detected
• Test/Hush Button
• End Of Life Warning & End Of Life Hush Features Included
• UL Listed