Convenient 10-Year Sealed Battery

Easily install the 10-Year Battery Smoke Alarm for reliable and convenient protection. No battery replacements are required - eliminating low battery chirps for the life of the smoke alarm. Plus, avoid the cost and hassle of changing batteries.

Slim-Profile Design

Half the depth of a standard alarm, the First Alert SM210 10-Year Battery Smoke Alarm with Slim Profile Design is equipped with superior features in a sleek, compact unit. The modern design helps the detector blend seamlessly with most home decor.

Easy-to-Use Testing Features

Regularly test the smoke alarm using the efficient test/silence button on the front of the detector to help ensure it is working properly and silence false alarms. Alarms should be replaced at least every 10 years and the end-of-life warning will help alert you when it’s time. See user's manual for information on how and when to test and replace detectors.

Features

Precision Detection Advanced Sensing Technology

This new technology complies with the latest industry standards to reduce nuisance alarms and detect smoke from synthetic materials. Early warning is critical because today’s materials burn hotter and faster, and may result in less time for a safe evacuation.

Level of Protection

Alarms can have several different features that add to safety and make maintenance simpler.

• Standard alarms contain basic features such as easy installation.
• Superior alarms contain many safety features such as 10-year battery and voice alerts
• Premium alarms contain the most safety features such as 10-year battery, voice alerts and wireless interconnect.

* Features may vary by model.