First Alert Alarm Smoke DC10 SM210 Clam Tray: 10-Year Lithium Ion Battery, Fire Alarm, No Hardwired Installation Required

The First Alert SM210 10-Year Sealed Battery Smoke Alarm with Slim Profile Design is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This slim profile smoke alarm is easy to install, and the 10-year battery means no battery replacements are required. First Alert's Precision Detection Advanced Sensing Technology meets the latest safety standards set by UL 217 8th Edition. This means this smoke alarm is better at distinguishing between harmless cooking smoke and real fires. Additionally, 8th edition smoke alarms can detect smoke from burning synthetic materials, which are common in modern homes. This translates to fewer bothersome false alarms and a crucial early warning in case of a fire emergency.