Green or Red Light Flashing on First Alert Alarm (with No Sound) Learn More How to Stop False or Nuisance Smoke Alarms. Learn More Lost Safe Keys or Combinations. Learn More Stop Chirping on CO Alarms. Learn More Proper placement for smoke alarms, CO alarms, and fire extinguishers. First Alert began in 1958, when three friends set out to create a commercial smoke alarm. In the six decades since, we have continued to create innovative products, from the first residential smoke alarm to the first battery operated carbon monoxide alarm. First Alert Smoke Alarm SA150B. First Alert Smoke and Fire Alarm User's Manual Model SA90B, SA150B.

10-Year Sealed Battery Smoke Alarm

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 tamperproof design, a mute feature, a power LED and alarm indicator, and end of life signal, and single test button.

Ionization Sensor Reliably Detects Flaming Fires

The First Alert 10-Year Sealed Battery Ionization Smoke Alarm comes equipped with an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials.

No Battery Changes for the Life of the Alarm

First Alert Model 0827 Manual

The First Alert 0827B Sealed Ionization Smoke Alarm features a built-in 3-volt lithium power cell that lasts for 10 years, so you never have to worry about battery changes 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.

Tamperproof Design Prevents Battery from Being Removed

Thanks to a tamperproof 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/tamperproof alarms are required.

Easy-to-Use Features

First Alert Model 0827 User Manual Guide

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.

First Alert 10-Year Sealed Battery Ionization Smoke Alarm 0827B

* Meets California, New York and New Jersey 10 Year Smoke Alarm Requirements