First Alert 9120LBL BRK Brands Hardwire Smoke Alarm with 10-Year Battery Backup
First Alert 10-Year Lithium Battery Ionization Sensor Smoke Alarm 9120LBL - The Home Depot
First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector with Voice Alert in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com