• Includes smoke alarm status LED indicator, end-of-life signal, and test/silence button
• Smoke detector with built-in 10-year 3-volt lithium power cell
• Ionization sensor for efficient smoke detection
• Complies with current 10-year legislation in states/cities where required
• Tamper-proof design prevents batteries from being removed

Specifications

• Power Source: 10-Year sealed lithium battery
• Sensor Type: Ionization
• Dimensions: 5.7 in W x 2.25 in H
• Mounting hardware included
• Meets all UL Standards
• Warranty: 10-Year Limited
• First Alert 0827B

About This Product

The First Alert 0827B Sealed Ionization Smoke Alarm features a 10-year sealed lithium battery, eliminating the need for battery replacements during the lifetime of the alarm. This smoke detector with ionization sensor has a tamper-proof design, a mute feature, a power LED and alarm indicator, end of life warning, and single test button.

Features

• No Battery Replacements for the Life of the Alarm: The First Alert 0827B Sealed Ionization Smoke Alarm features a built-in 3-volt lithium power cell that lasts for 10 years, eliminating the need for battery replacements for the life of the alarm. Using a smoke detector system with a sealed battery provides the ultimate in longevity and security, preventing possible lapses in protection.
• Tamper-proof Design Prevents Battery from Being Removed: Thanks to a tamper-proof design, the batteries in the First Alert 0827B Sealed Ionization Smoke Alarm can’t be removed. This smoke detector complies with current 10-year legislation in states/cities where required, making it a great addition for any number of properties where sealed/tamper-proof alarms are required.
• Easy-to-Use Features: If the alarm goes off accidentally, simply press the silence button to stop the noise. The same button allows you to test the alarm to ensure it is working properly. An LED indicator blinks to let you know the smoke detector is receiving power and working regularly. When the alarm reaches the end of its service life, it will chirp once a minute to let you know the battery is almost depleted. This smoke alarm features a Perfect Mount system for easy alignment and installation.